{"id":244790,"date":"2025-11-05T06:20:22","date_gmt":"2025-11-05T06:20:22","guid":{"rendered":"https:\/\/www.newsbeep.com\/uk\/244790\/"},"modified":"2025-11-05T06:20:22","modified_gmt":"2025-11-05T06:20:22","slug":"hubble-sees-spiral-galaxy-in-lions-heart-photo-of-the-day-for-nov-4-2025","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/uk\/244790\/","title":{"rendered":"Hubble sees spiral galaxy in Lion&#8217;s heart photo of the day for Nov. 4, 2025"},"content":{"rendered":"<p id=\"2617ab90-1118-4233-ae3a-f11bfb46b293\">Located in the <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.space.com\/16845-leo-constellation.html\" data-before-rewrite-localise=\"https:\/\/www.space.com\/16845-leo-constellation.html\" rel=\"nofollow noopener\" target=\"_blank\">constellation Leo<\/a>, spiral galaxy NGC 3370 has long been a favorite among astronomers. NGC 3370 is part of a small galaxy group that also other galaxies studied by the <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.space.com\/15892-hubble-space-telescope.html\" data-before-rewrite-localise=\"https:\/\/www.space.com\/15892-hubble-space-telescope.html\" rel=\"nofollow noopener\" target=\"_blank\">Hubble Space Telescope<\/a>. Studying these galaxies together helps astronomers understand how galaxies interact, evolve and influence one another over cosmic timescales.<\/p>\n<p><a id=\"elk-5ec28b19-106d-46ec-97fc-1e5680d2aeaa\" href=\"\" data-url=\"\" target=\"_blank\" referrerpolicy=\"no-referrer-when-downgrade\" data-hl-processed=\"none\"\/>What is it?<\/p>\n<p id=\"b70aae2c-ee29-4a78-8d59-5773d52cde6e\" class=\"paywall\" aria-hidden=\"true\">Spiral galaxies are among the most striking and familiar structures in the universe. Characterized by graceful, winding arms that spiral out from a bright central bulge, these systems are rich with both young and old stars, swirling gas and cosmic dust.<\/p>\n<p><a id=\"elk-seasonal\" class=\"paywall\" aria-hidden=\"true\" href=\"\" data-url=\"\" target=\"_blank\" referrerpolicy=\"no-referrer-when-downgrade\" data-hl-processed=\"none\"\/><\/p>\n<p id=\"b70aae2c-ee29-4a78-8d59-5773d52cde6e-1\">The <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.space.com\/19915-milky-way-galaxy.html\" data-before-rewrite-localise=\"https:\/\/www.space.com\/19915-milky-way-galaxy.html\" rel=\"nofollow noopener\" target=\"_blank\">Milky Way<\/a>, our own galactic home, is one such spiral, and studying other examples like NGC 3370 provides astronomers with clues about how galaxies form and evolve.<\/p>\n<p>You may like<\/p>\n<p><a id=\"elk-d2e16e8e-2200-4098-aa1f-0a7876b7c012\" class=\"paywall\" aria-hidden=\"true\" href=\"\" data-url=\"\" target=\"_blank\" referrerpolicy=\"no-referrer-when-downgrade\" data-hl-processed=\"none\"\/>Where is it?<\/p>\n<p id=\"e6d7e4ca-e441-4d37-9bd3-2912cf74a3de\">Spiral galaxy NGC 3370 is located <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2025\/10\/Focusing_on_NGC_3370\" target=\"_blank\" data-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2025\/10\/Focusing_on_NGC_3370\" referrerpolicy=\"no-referrer-when-downgrade\" data-hl-processed=\"none\" rel=\"nofollow noopener\">90 million light years away<\/a> in the Leo constellation.<\/p>\n<p class=\"vanilla-image-block\" style=\"padding-top:56.25%;\">\n<p><img decoding=\"async\" src=\"https:\/\/www.newsbeep.com\/uk\/wp-content\/uploads\/2025\/11\/ytXAHokiPA6xF5ovLup3p3.jpg\" alt=\"spiral galaxy occupies most of the image. It is a slightly tilted disc of stars, yellow-white in the center and blue in the outskirts, showing light from different stars in the galaxy. Its spiral arms curl outwards from the center, speckled with blue star clusters. Dark reddish threads of dust swirl around the galaxy&amp;rsquo;s center. The backdrop is two medium-sized and many small, distant galaxies on a black background.\"   loading=\"lazy\" data-new-v2-image=\"true\" data-original-mos=\"https:\/\/www.newsbeep.com\/uk\/wp-content\/uploads\/2025\/11\/ytXAHokiPA6xF5ovLup3p3.jpg\" data-pin-media=\"https:\/\/www.newsbeep.com\/uk\/wp-content\/uploads\/2025\/11\/ytXAHokiPA6xF5ovLup3p3.jpg\" class=\"expandable\"\/><br \/>\n<a href=\"https:\/\/www.newsbeep.com\/uk\/wp-content\/uploads\/2025\/11\/ytXAHokiPA6xF5ovLup3p3.jpg\" target=\"_blank\" class=\"expand-button icon-expand-image icon\" data-url=\"https:\/\/www.newsbeep.com\/uk\/wp-content\/uploads\/2025\/11\/ytXAHokiPA6xF5ovLup3p3.jpg\" referrerpolicy=\"no-referrer-when-downgrade\" data-hl-processed=\"none\"><\/p>\n<p>NGC 3370 glows in the darkness of space. (Image credit: ESA\/Hubble &amp; NASA, A. Riess, K. Nol)<a id=\"elk-4ea5f98e-f0cf-42ba-97b1-a0d90d63dd91\" class=\"paywall\" aria-hidden=\"true\" href=\"\" data-url=\"\" target=\"_blank\" referrerpolicy=\"no-referrer-when-downgrade\" data-hl-processed=\"none\"\/>Why is it amazing?<\/p>\n<p id=\"aff6cc88-2fa9-4bca-9789-710d15528be3\">NGC 3370 is home to two types of celestial landmarks that have helped astronomers chart cosmic distances with precision: <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.space.com\/15396-variable-stars.html\" data-before-rewrite-localise=\"https:\/\/www.space.com\/15396-variable-stars.html\" rel=\"nofollow noopener\" target=\"_blank\">Cepheid variable stars <\/a>and <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.space.com\/6638-supernova.html\" data-before-rewrite-localise=\"https:\/\/www.space.com\/6638-supernova.html\" rel=\"nofollow noopener\" target=\"_blank\">Type la supernovas<\/a>. Cepheids are pulsating stars whose brightness rises and falls in predictable cycles, the longer the period of pulsation, the more luminous they are. Meanwhile, Type la supernovas occur when a <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.space.com\/23756-white-dwarf-stars.html\" data-before-rewrite-localise=\"https:\/\/www.space.com\/23756-white-dwarf-stars.html\" rel=\"nofollow noopener\" target=\"_blank\">white dwarf star<\/a> undergoes a thermonuclear explosion, reaching nearly the same peak brightness each time.<\/p>\n<p>By comparing how bright these objects appear from Earth with how bright they actually are, astronomers can calculate their distances, and in turn, measure how quickly the universe is expanding. Together, these &#8220;standard candles&#8221; form the backbone of the <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.space.com\/17884-universe-expansion-speed-hubble-constant.html\" data-before-rewrite-localise=\"https:\/\/www.space.com\/17884-universe-expansion-speed-hubble-constant.html\" rel=\"nofollow noopener\" target=\"_blank\">cosmic distance ladder<\/a>, a framework that has shaped our modern understanding of cosmic scale and motion.<\/p>\n<p><a id=\"elk-e8a6087c-ca6b-461c-a66d-dd49343b8537\" class=\"paywall\" aria-hidden=\"true\" href=\"\" data-url=\"\" target=\"_blank\" referrerpolicy=\"no-referrer-when-downgrade\" data-hl-processed=\"none\"\/>Want to learn more?<\/p>\n<p id=\"38fcf0d0-7f13-45dd-a713-6be057087354\">You can learn more about the <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.space.com\/15892-hubble-space-telescope.html\" data-before-rewrite-localise=\"https:\/\/www.space.com\/15892-hubble-space-telescope.html\" rel=\"nofollow noopener\" target=\"_blank\">Hubble Space Telescope<\/a> and <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.space.com\/how-galaxies-form\" data-before-rewrite-localise=\"https:\/\/www.space.com\/how-galaxies-form\" rel=\"nofollow noopener\" target=\"_blank\">galaxy formation. <\/a><\/p>\n<p class=\"newsletter-form__strapline\">Breaking space news, the latest updates on rocket launches, skywatching events and more!<\/p>\n","protected":false},"excerpt":{"rendered":"Located in the constellation Leo, spiral galaxy NGC 3370 has long been a favorite among astronomers. NGC 3370&hellip;\n","protected":false},"author":2,"featured_media":244791,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[90,416,56,54,55],"class_list":{"0":"post-244790","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-space","8":"tag-science","9":"tag-space","10":"tag-uk","11":"tag-united-kingdom","12":"tag-unitedkingdom"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/posts\/244790","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/comments?post=244790"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/posts\/244790\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/media\/244791"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/media?parent=244790"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/categories?post=244790"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/tags?post=244790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}