{"id":380629,"date":"2026-04-08T02:31:32","date_gmt":"2026-04-08T02:31:32","guid":{"rendered":"https:\/\/www.newsbeep.com\/il\/380629\/"},"modified":"2026-04-08T02:31:32","modified_gmt":"2026-04-08T02:31:32","slug":"observational-constraints-on-the-history-of-lunar-polar-ice-accumulation","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/il\/380629\/","title":{"rendered":"Observational constraints on the history of lunar polar ice accumulation"},"content":{"rendered":"<p class=\"c-article-references__text\" id=\"ref-CR1\">Goddard, R. H. The Papers of Robert H. Goddard: 1898\u20131924, Vol. 1 (McGraw-Hill, 1970).<\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR2\">Watson, K., Murray, B. &amp; Brown, H. On the possible presence of ice on the Moon. J. Geophys. Res. 66, 1598\u20131600 (1961).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1029\/JZ066i005p01598\" data-track-item_id=\"10.1029\/JZ066i005p01598\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1029%2FJZ066i005p01598\" aria-label=\"Article reference 2\" data-doi=\"10.1029\/JZ066i005p01598\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=1961JGR....66.1598W\" aria-label=\"ADS reference 2\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 2\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=On%20the%20possible%20presence%20of%20ice%20on%20the%20Moon&amp;journal=J.%20Geophys.%20Res.&amp;doi=10.1029%2FJZ066i005p01598&amp;volume=66&amp;pages=1598-1600&amp;publication_year=1961&amp;author=Watson%2CK&amp;author=Murray%2CB&amp;author=Brown%2CH\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR3\">Watson, K., Murray, B. C. &amp; Brown, H. The behavior of volatiles on the lunar surface. J. Geophys. Res. 66, 3033\u20133045 (1961).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1029\/JZ066i009p03033\" data-track-item_id=\"10.1029\/JZ066i009p03033\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1029%2FJZ066i009p03033\" aria-label=\"Article reference 3\" data-doi=\"10.1029\/JZ066i009p03033\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=1961JGR....66.3033W\" aria-label=\"ADS reference 3\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 3\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=The%20behavior%20of%20volatiles%20on%20the%20lunar%20surface&amp;journal=J.%20Geophys.%20Res.&amp;doi=10.1029%2FJZ066i009p03033&amp;volume=66&amp;pages=3033-3045&amp;publication_year=1961&amp;author=Watson%2CK&amp;author=Murray%2CBC&amp;author=Brown%2CH\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR4\">Watson, K., Murray, B. C. &amp; Brown, H. The stability of volatiles in the Solar System. Icarus 1, 317\u2013327 (1962).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1016\/0019-1035(62)90030-1\" data-track-item_id=\"10.1016\/0019-1035(62)90030-1\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1016%2F0019-1035%2862%2990030-1\" aria-label=\"Article reference 4\" data-doi=\"10.1016\/0019-1035(62)90030-1\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=1963Icar....1..317W\" aria-label=\"ADS reference 4\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 4\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=The%20stability%20of%20volatiles%20in%20the%20Solar%20System&amp;journal=Icarus&amp;doi=10.1016%2F0019-1035%2862%2990030-1&amp;volume=1&amp;pages=317-327&amp;publication_year=1962&amp;author=Watson%2CK&amp;author=Murray%2CBC&amp;author=Brown%2CH\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR5\">Feldman, W. C. et al. Fluxes of fast and epithermal neutrons from Lunar Prospector: evidence for water ice at the lunar poles. Science 281, 1496\u20131500 (1998).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1126\/science.281.5382.1496\" data-track-item_id=\"10.1126\/science.281.5382.1496\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1126%2Fscience.281.5382.1496\" aria-label=\"Article reference 5\" data-doi=\"10.1126\/science.281.5382.1496\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=1998Sci...281.1496F\" aria-label=\"ADS reference 5\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 5\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Fluxes%20of%20fast%20and%20epithermal%20neutrons%20from%20Lunar%20Prospector%3A%20evidence%20for%20water%20ice%20at%20the%20lunar%20poles&amp;journal=Science&amp;doi=10.1126%2Fscience.281.5382.1496&amp;volume=281&amp;pages=1496-1500&amp;publication_year=1998&amp;author=Feldman%2CWC\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR6\">Feldman, W. C. et al. Evidence for water ice near the lunar poles. J. Geophys. Res.: Planets 106, 23231\u201323251 (2001).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1029\/2000JE001444\" data-track-item_id=\"10.1029\/2000JE001444\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1029%2F2000JE001444\" aria-label=\"Article reference 6\" data-doi=\"10.1029\/2000JE001444\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2001JGR...10623231F\" aria-label=\"ADS reference 6\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 6\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Evidence%20for%20water%20ice%20near%20the%20lunar%20poles&amp;journal=J.%20Geophys.%20Res.%3A%20Planets&amp;doi=10.1029%2F2000JE001444&amp;volume=106&amp;pages=23231-23251&amp;publication_year=2001&amp;author=Feldman%2CWC\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR7\">Boynton, W. et al. High spatial resolution studies of epithermal neutron emission from the lunar poles: Constraints on hydrogen mobility. J. Geophys. Res.: Planets <a href=\"https:\/\/doi.org\/10.1029\/2011JE003979\" data-track=\"click_references\" data-track-action=\"external reference\" data-track-value=\"external reference\" data-track-label=\"10.1029\/2011JE003979\" rel=\"nofollow noopener\" target=\"_blank\">https:\/\/doi.org\/10.1029\/2011JE003979<\/a> (2012).<\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR8\">Sanin, A. et al. Hydrogen distribution in the lunar polar regions. Icarus 283, 20\u201330 (2017).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1016\/j.icarus.2016.06.002\" data-track-item_id=\"10.1016\/j.icarus.2016.06.002\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1016%2Fj.icarus.2016.06.002\" aria-label=\"Article reference 8\" data-doi=\"10.1016\/j.icarus.2016.06.002\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2017Icar..283...20S\" aria-label=\"ADS reference 8\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 8\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Hydrogen%20distribution%20in%20the%20lunar%20polar%20regions&amp;journal=Icarus&amp;doi=10.1016%2Fj.icarus.2016.06.002&amp;volume=283&amp;pages=20-30&amp;publication_year=2017&amp;author=Sanin%2CA\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR9\">Colaprete, A. et al. Detection of water in the LCROSS ejecta plume. Science 330, 463\u2013468 (2010).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1126\/science.1186986\" data-track-item_id=\"10.1126\/science.1186986\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1126%2Fscience.1186986\" aria-label=\"Article reference 9\" data-doi=\"10.1126\/science.1186986\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2010Sci...330..463C\" aria-label=\"ADS reference 9\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 9\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Detection%20of%20water%20in%20the%20LCROSS%20ejecta%20plume&amp;journal=Science&amp;doi=10.1126%2Fscience.1186986&amp;volume=330&amp;pages=463-468&amp;publication_year=2010&amp;author=Colaprete%2CA\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR10\">Fisher, E. A. et al. Evidence for surface water ice in the lunar polar regions using reflectance measurements from the lunar orbiter laser altimeter and temperature measurements from the Diviner Lunar Radiometer Experiment. Icarus 292, 74\u201385 (2017).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1016\/j.icarus.2017.03.023\" data-track-item_id=\"10.1016\/j.icarus.2017.03.023\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1016%2Fj.icarus.2017.03.023\" aria-label=\"Article reference 10\" data-doi=\"10.1016\/j.icarus.2017.03.023\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2017Icar..292...74F\" aria-label=\"ADS reference 10\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 10\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Evidence%20for%20surface%20water%20ice%20in%20the%20lunar%20polar%20regions%20using%20reflectance%20measurements%20from%20the%20lunar%20orbiter%20laser%20altimeter%20and%20temperature%20measurements%20from%20the%20Diviner%20Lunar%20Radiometer%20Experiment&amp;journal=Icarus&amp;doi=10.1016%2Fj.icarus.2017.03.023&amp;volume=292&amp;pages=74-85&amp;publication_year=2017&amp;author=Fisher%2CEA\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR11\">Li, S. et al. Direct evidence of surface exposed water ice in the lunar polar regions. Proc. Natl Acad. Sci. USA 115, 8907\u20138912 (2018).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1073\/pnas.1802345115\" data-track-item_id=\"10.1073\/pnas.1802345115\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1073%2Fpnas.1802345115\" aria-label=\"Article reference 11\" data-doi=\"10.1073\/pnas.1802345115\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2018PNAS..115.8907L\" aria-label=\"ADS reference 11\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 11\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Direct%20evidence%20of%20surface%20exposed%20water%20ice%20in%20the%20lunar%20polar%20regions&amp;journal=Proc.%20Natl%20Acad.%20Sci.%20USA&amp;doi=10.1073%2Fpnas.1802345115&amp;volume=115&amp;pages=8907-8912&amp;publication_year=2018&amp;author=Li%2CS\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR12\">Hayne, P. O. et al. Evidence for exposed water ice in the Moon\u2019s south polar regions from Lunar Reconnaissance Orbiter ultraviolet albedo and temperature measurements. Icarus 255, 58\u201369 (2015).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1016\/j.icarus.2015.03.032\" data-track-item_id=\"10.1016\/j.icarus.2015.03.032\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1016%2Fj.icarus.2015.03.032\" aria-label=\"Article reference 12\" data-doi=\"10.1016\/j.icarus.2015.03.032\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2015Icar..255...58H\" aria-label=\"ADS reference 12\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 12\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Evidence%20for%20exposed%20water%20ice%20in%20the%20Moon%E2%80%99s%20south%20polar%20regions%20from%20Lunar%20Reconnaissance%20Orbiter%20ultraviolet%20albedo%20and%20temperature%20measurements&amp;journal=Icarus&amp;doi=10.1016%2Fj.icarus.2015.03.032&amp;volume=255&amp;pages=58-69&amp;publication_year=2015&amp;author=Hayne%2CPO\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR13\">Gladstone, G. R. et al. Far-ultraviolet reflectance properties of the Moon\u2019s permanently shadowed regions. J. Geophys. Res. 117, 2011JE003913 (2012).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1029\/2011JE003913\" data-track-item_id=\"10.1029\/2011JE003913\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1029%2F2011JE003913\" aria-label=\"Article reference 13\" data-doi=\"10.1029\/2011JE003913\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 13\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Far-ultraviolet%20reflectance%20properties%20of%20the%20Moon%E2%80%99s%20permanently%20shadowed%20regions&amp;journal=J.%20Geophys.%20Res.&amp;doi=10.1029%2F2011JE003913&amp;volume=117&amp;publication_year=2012&amp;author=Gladstone%2CGR\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR14\">Deutsch, A. N., Head, J. W. &amp; Neumann, G. A. Analyzing the ages of south polar craters on the Moon: implications for the sources and evolution of surface water ice. Icarus 336, 113455 (2020).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1016\/j.icarus.2019.113455\" data-track-item_id=\"10.1016\/j.icarus.2019.113455\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1016%2Fj.icarus.2019.113455\" aria-label=\"Article reference 14\" data-doi=\"10.1016\/j.icarus.2019.113455\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 14\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Analyzing%20the%20ages%20of%20south%20polar%20craters%20on%20the%20Moon%3A%20implications%20for%20the%20sources%20and%20evolution%20of%20surface%20water%20ice&amp;journal=Icarus&amp;doi=10.1016%2Fj.icarus.2019.113455&amp;volume=336&amp;publication_year=2020&amp;author=Deutsch%2CAN&amp;author=Head%2CJW&amp;author=Neumann%2CGA\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR15\">Lucey, P. G. et al. Volatile interactions with the lunar surface. Geochemistry 82, 125858 (2022).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1016\/j.chemer.2021.125858\" data-track-item_id=\"10.1016\/j.chemer.2021.125858\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1016%2Fj.chemer.2021.125858\" aria-label=\"Article reference 15\" data-doi=\"10.1016\/j.chemer.2021.125858\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 15\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Volatile%20interactions%20with%20the%20lunar%20surface&amp;journal=Geochemistry&amp;doi=10.1016%2Fj.chemer.2021.125858&amp;volume=82&amp;publication_year=2022&amp;author=Lucey%2CPG\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR16\">Sch\u00f6rghofer, N. &amp; Rufu, R. Past extent of lunar permanently shadowed areas. Sci. Adv. 9, eadh4302 (2023).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1126\/sciadv.adh4302\" data-track-item_id=\"10.1126\/sciadv.adh4302\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1126%2Fsciadv.adh4302\" aria-label=\"Article reference 16\" data-doi=\"10.1126\/sciadv.adh4302\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 16\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Past%20extent%20of%20lunar%20permanently%20shadowed%20areas&amp;journal=Sci.%20Adv.&amp;doi=10.1126%2Fsciadv.adh4302&amp;volume=9&amp;publication_year=2023&amp;author=Sch%C3%B6rghofer%2CN&amp;author=Rufu%2CR\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR17\">Farhat, M., Auclair-Desrotour, P., Bou\u00e9, G. &amp; Laskar, J. The resonant tidal evolution of the Earth\u2013Moon distance. Astron. Astrophys. 665, L1 (2022).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1051\/0004-6361\/202243445\" data-track-item_id=\"10.1051\/0004-6361\/202243445\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1051%2F0004-6361%2F202243445\" aria-label=\"Article reference 17\" data-doi=\"10.1051\/0004-6361\/202243445\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2022A%26A...665L...1F\" aria-label=\"ADS reference 17\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 17\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=The%20resonant%20tidal%20evolution%20of%20the%20Earth%E2%80%93Moon%20distance&amp;journal=Astron.%20Astrophys.&amp;doi=10.1051%2F0004-6361%2F202243445&amp;volume=665&amp;publication_year=2022&amp;author=Farhat%2CM&amp;author=Auclair-Desrotour%2CP&amp;author=Bou%C3%A9%2CG&amp;author=Laskar%2CJ\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR18\">Farrell, W. et al. The young age of the LAMP-observed frost in lunar polar cold traps. Geophys. Res. Lett. 46, 8680\u20138688 (2019).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1029\/2019GL083158\" data-track-item_id=\"10.1029\/2019GL083158\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1029%2F2019GL083158\" aria-label=\"Article reference 18\" data-doi=\"10.1029\/2019GL083158\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2019GeoRL..46.8680F\" aria-label=\"ADS reference 18\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 18\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=The%20young%20age%20of%20the%20LAMP-observed%20frost%20in%20lunar%20polar%20cold%20traps&amp;journal=Geophys.%20Res.%20Lett.&amp;doi=10.1029%2F2019GL083158&amp;volume=46&amp;pages=8680-8688&amp;publication_year=2019&amp;author=Farrell%2CW\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR19\">Fassett, C. et al. The LCROSS impact crater as seen by ShadowCam and Mini-RF: size, context, and excavation of Copernican volatiles. Geophys. Res. Lett. 51, e2024GL110355 (2024).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1029\/2024GL110355\" data-track-item_id=\"10.1029\/2024GL110355\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1029%2F2024GL110355\" aria-label=\"Article reference 19\" data-doi=\"10.1029\/2024GL110355\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2024GeoRL..5110355F\" aria-label=\"ADS reference 19\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 19\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=The%20LCROSS%20impact%20crater%20as%20seen%20by%20ShadowCam%20and%20Mini-RF%3A%20size%2C%20context%2C%20and%20excavation%20of%20Copernican%20volatiles&amp;journal=Geophys.%20Res.%20Lett.&amp;doi=10.1029%2F2024GL110355&amp;volume=51&amp;publication_year=2024&amp;author=Fassett%2CC\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR20\">Pieters, C. M. et al. The Moon Mineralogy Mapper (M3) on Chandrayaan-1. Science 96, 500\u2013505 (2009).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 20\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=The%20Moon%20Mineralogy%20Mapper%20%28M3%29%20on%20Chandrayaan-1&amp;journal=Science&amp;volume=96&amp;pages=500-505&amp;publication_year=2009&amp;author=Pieters%2CCM\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR21\">Lucey, P. G. et al. The spectral radiance of indirectly illuminated surfaces in regions of permanent shadow on the Moon. Acta Astronaut. 180, 25\u201334 (2021).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1016\/j.actaastro.2020.11.032\" data-track-item_id=\"10.1016\/j.actaastro.2020.11.032\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1016%2Fj.actaastro.2020.11.032\" aria-label=\"Article reference 21\" data-doi=\"10.1016\/j.actaastro.2020.11.032\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2021AcAau.180...25L\" aria-label=\"ADS reference 21\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 21\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=The%20spectral%20radiance%20of%20indirectly%20illuminated%20surfaces%20in%20regions%20of%20permanent%20shadow%20on%20the%20Moon&amp;journal=Acta%20Astronaut.&amp;doi=10.1016%2Fj.actaastro.2020.11.032&amp;volume=180&amp;pages=25-34&amp;publication_year=2021&amp;author=Lucey%2CPG\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR22\">Cohen, B. A. et al. Lunar flashlight: Illuminating the lunar south pole. IEEE Aerosp. Electron. Syst. Mag. 35, 46\u201352 (2020).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1109\/MAES.2019.2950746\" data-track-item_id=\"10.1109\/MAES.2019.2950746\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1109%2FMAES.2019.2950746\" aria-label=\"Article reference 22\" data-doi=\"10.1109\/MAES.2019.2950746\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2020IAESM..35...46C\" aria-label=\"ADS reference 22\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 22\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Lunar%20flashlight%3A%20Illuminating%20the%20lunar%20south%20pole&amp;journal=IEEE%20Aerosp.%20Electron.%20Syst.%20Mag.&amp;doi=10.1109%2FMAES.2019.2950746&amp;volume=35&amp;pages=46-52&amp;publication_year=2020&amp;author=Cohen%2CBA\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR23\">Basilevsky, A., Abdrakhimov, A. &amp; Dorofeeva, V. Water and other volatiles on the Moon: a review. Sol. Syst. Res. 46, 89\u2013107 (2012).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1134\/S0038094612010017\" data-track-item_id=\"10.1134\/S0038094612010017\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1134%2FS0038094612010017\" aria-label=\"Article reference 23\" data-doi=\"10.1134\/S0038094612010017\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2012SoSyR..46...89B\" aria-label=\"ADS reference 23\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 23\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Water%20and%20other%20volatiles%20on%20the%20Moon%3A%20a%20review&amp;journal=Sol.%20Syst.%20Res.&amp;doi=10.1134%2FS0038094612010017&amp;volume=46&amp;pages=89-107&amp;publication_year=2012&amp;author=Basilevsky%2CA&amp;author=Abdrakhimov%2CA&amp;author=Dorofeeva%2CV\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR24\">Chabot, N. L. et al. Images of surface volatiles in Mercury\u2019s polar craters acquired by the MESSENGER spacecraft. Geology 42, 1051\u20131054 (2014).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1130\/G35916.1\" data-track-item_id=\"10.1130\/G35916.1\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1130%2FG35916.1\" aria-label=\"Article reference 24\" data-doi=\"10.1130\/G35916.1\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2014Geo....42.1051C\" aria-label=\"ADS reference 24\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 24\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Images%20of%20surface%20volatiles%20in%20Mercury%E2%80%99s%20polar%20craters%20acquired%20by%20the%20MESSENGER%20spacecraft&amp;journal=Geology&amp;doi=10.1130%2FG35916.1&amp;volume=42&amp;pages=1051-1054&amp;publication_year=2014&amp;author=Chabot%2CNL\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR25\">Lawrence, D. J. A tale of two poles: toward understanding the presence, distribution, and origin of volatiles at the polar regions of the Moon and Mercury. J. Geophys. Res.: Planets 122, 21\u201352 (2017).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1002\/2016JE005167\" data-track-item_id=\"10.1002\/2016JE005167\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1002%2F2016JE005167\" aria-label=\"Article reference 25\" data-doi=\"10.1002\/2016JE005167\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2017JGRE..122...21L\" aria-label=\"ADS reference 25\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 25\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=A%20tale%20of%20two%20poles%3A%20toward%20understanding%20the%20presence%2C%20distribution%2C%20and%20origin%20of%20volatiles%20at%20the%20polar%20regions%20of%20the%20Moon%20and%20Mercury&amp;journal=J.%20Geophys.%20Res.%3A%20Planets&amp;doi=10.1002%2F2016JE005167&amp;volume=122&amp;pages=21-52&amp;publication_year=2017&amp;author=Lawrence%2CDJ\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR26\">Costello, E. S., Ghent, R. R., Hirabayashi, M. &amp; Lucey, P. G. Impact gardening as a constraint on the age, source, and evolution of ice on Mercury and the Moon. J. Geophys. Res.: Planets 125, e2019JE006172 (2020).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1029\/2019JE006172\" data-track-item_id=\"10.1029\/2019JE006172\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1029%2F2019JE006172\" aria-label=\"Article reference 26\" data-doi=\"10.1029\/2019JE006172\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2020JGRE..12506172C\" aria-label=\"ADS reference 26\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 26\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Impact%20gardening%20as%20a%20constraint%20on%20the%20age%2C%20source%2C%20and%20evolution%20of%20ice%20on%20Mercury%20and%20the%20Moon&amp;journal=J.%20Geophys.%20Res.%3A%20Planets&amp;doi=10.1029%2F2019JE006172&amp;volume=125&amp;publication_year=2020&amp;author=Costello%2CES&amp;author=Ghent%2CRR&amp;author=Hirabayashi%2CM&amp;author=Lucey%2CPG\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR27\">Costello, E. S., Ghent, R. R. &amp; Lucey, P. G. Secondary impact burial and excavation gardening on the Moon and the depth to ice in permanent shadow. J. Geophys. Res.: Planets 126, e2021JE006933 (2021).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1029\/2021JE006933\" data-track-item_id=\"10.1029\/2021JE006933\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1029%2F2021JE006933\" aria-label=\"Article reference 27\" data-doi=\"10.1029\/2021JE006933\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2021JGRE..12606933C\" aria-label=\"ADS reference 27\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 27\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Secondary%20impact%20burial%20and%20excavation%20gardening%20on%20the%20Moon%20and%20the%20depth%20to%20ice%20in%20permanent%20shadow&amp;journal=J.%20Geophys.%20Res.%3A%20Planets&amp;doi=10.1029%2F2021JE006933&amp;volume=126&amp;publication_year=2021&amp;author=Costello%2CES&amp;author=Ghent%2CRR&amp;author=Lucey%2CPG\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR28\">Ingersoll, A. P., Svitek, T. &amp; Murray, B. C. Stability of polar frosts in spherical bowl-shaped craters on the Moon, Mercury, and Mars. Icarus 100, 40\u201347 (1992).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1016\/0019-1035(92)90016-Z\" data-track-item_id=\"10.1016\/0019-1035(92)90016-Z\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1016%2F0019-1035%2892%2990016-Z\" aria-label=\"Article reference 28\" data-doi=\"10.1016\/0019-1035(92)90016-Z\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=1992Icar..100...40I\" aria-label=\"ADS reference 28\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 28\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Stability%20of%20polar%20frosts%20in%20spherical%20bowl-shaped%20craters%20on%20the%20Moon%2C%20Mercury%2C%20and%20Mars&amp;journal=Icarus&amp;doi=10.1016%2F0019-1035%2892%2990016-Z&amp;volume=100&amp;pages=40-47&amp;publication_year=1992&amp;author=Ingersoll%2CAP&amp;author=Svitek%2CT&amp;author=Murray%2CBC\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR29\">Schorghofer, N. Predictions of depth-to-ice on asteroids based on an asynchronous model of temperature, impact stirring, and ice loss. Icarus 276, 88\u201395 (2016).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1016\/j.icarus.2016.04.037\" data-track-item_id=\"10.1016\/j.icarus.2016.04.037\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1016%2Fj.icarus.2016.04.037\" aria-label=\"Article reference 29\" data-doi=\"10.1016\/j.icarus.2016.04.037\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2016Icar..276...88S\" aria-label=\"ADS reference 29\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 29\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Predictions%20of%20depth-to-ice%20on%20asteroids%20based%20on%20an%20asynchronous%20model%20of%20temperature%2C%20impact%20stirring%2C%20and%20ice%20loss&amp;journal=Icarus&amp;doi=10.1016%2Fj.icarus.2016.04.037&amp;volume=276&amp;pages=88-95&amp;publication_year=2016&amp;author=Schorghofer%2CN\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR30\">Morris, R. V. In situ reworking\/gardening\/of the lunar surface. Evidence from the Apollo cores. In Proc. 9th Lunar and Planetary Science Conference, Vol. 9, 1801\u20131811 (Pergamon Press, 1978).<\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR31\">Speyerer, E. J., Povilaitis, R. Z., Robinson, M. S., Thomas, P. C. &amp; Wagner, R. V. Quantifying crater production and regolith overturn on the Moon with temporal imaging. Nature 538, 215\u2013218 (2016).<\/p>\n<p class=\"c-article-references__links u-hide-print\"><a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"10.1038\/nature19829\" data-track-item_id=\"10.1038\/nature19829\" data-track-value=\"article reference\" data-track-action=\"article reference\" href=\"https:\/\/doi.org\/10.1038%2Fnature19829\" aria-label=\"Article reference 31\" data-doi=\"10.1038\/nature19829\" target=\"_blank\">Article<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" rel=\"nofollow noopener\" data-track-label=\"link\" data-track-item_id=\"link\" data-track-value=\"ads reference\" data-track-action=\"ads reference\" href=\"http:\/\/adsabs.harvard.edu\/cgi-bin\/nph-data_query?link_type=ABSTRACT&amp;bibcode=2016Natur.538..215S\" aria-label=\"ADS reference 31\" target=\"_blank\">ADS<\/a>\u00a0<br \/>\n    <a data-track=\"click_references\" data-track-action=\"google scholar reference\" data-track-value=\"google scholar reference\" data-track-label=\"link\" data-track-item_id=\"link\" rel=\"nofollow noopener\" aria-label=\"Google Scholar reference 31\" href=\"http:\/\/scholar.google.com\/scholar_lookup?&amp;title=Quantifying%20crater%20production%20and%20regolith%20overturn%20on%20the%20Moon%20with%20temporal%20imaging&amp;journal=Nature&amp;doi=10.1038%2Fnature19829&amp;volume=538&amp;pages=215-218&amp;publication_year=2016&amp;author=Speyerer%2CEJ&amp;author=Povilaitis%2CRZ&amp;author=Robinson%2CMS&amp;author=Thomas%2CPC&amp;author=Wagner%2CRV\" target=\"_blank\"><br \/>\n                    Google Scholar<\/a>\u00a0\n                <\/p>\n<p class=\"c-article-references__text\" id=\"ref-CR32\">Schorghofer, N. Extent of past PSRs in the north and south polar regions of the Moon. Zenodo <a href=\"https:\/\/doi.org\/10.5281\/zenodo.14885276\" data-track=\"click_references\" data-track-action=\"external reference\" data-track-value=\"external reference\" data-track-label=\"10.5281\/zenodo.14885276\" rel=\"nofollow noopener\" target=\"_blank\">https:\/\/doi.org\/10.5281\/zenodo.14885276<\/a> (2025).<\/p>\n","protected":false},"excerpt":{"rendered":"Goddard, R. H. The Papers of Robert H. Goddard: 1898\u20131924, Vol. 1 (McGraw-Hill, 1970). Watson, K., Murray, B.&hellip;\n","protected":false},"author":2,"featured_media":380630,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[1409,21155,49331,3181,42,148320,43,370,40,38,41,39],"class_list":{"0":"post-380629","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-headlines","8":"tag-astronomy","9":"tag-astrophysics-and-cosmology","10":"tag-cryospheric-science","11":"tag-general","12":"tag-headlines","13":"tag-inner-planets","14":"tag-news","15":"tag-physics","16":"tag-top-news","17":"tag-top-stories","18":"tag-topnews","19":"tag-topstories"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/posts\/380629","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/comments?post=380629"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/posts\/380629\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/media\/380630"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/media?parent=380629"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/categories?post=380629"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/tags?post=380629"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}