{"id":277137,"date":"2026-02-10T16:07:10","date_gmt":"2026-02-10T16:07:10","guid":{"rendered":"https:\/\/www.newsbeep.com\/nz\/277137\/"},"modified":"2026-02-10T16:07:10","modified_gmt":"2026-02-10T16:07:10","slug":"discovered-asteroid-spins-faster-than-any-known-before-scientists-are-stunned-by-this-record-breaking-speed","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/nz\/277137\/","title":{"rendered":"Discovered Asteroid Spins Faster Than Any Known Before, Scientists Are Stunned by This Record-Breaking Speed!"},"content":{"rendered":"

A newly discovered asteroid has shattered speed records, completing a full rotation in just 112 seconds, faster than any other asteroid larger than 500 meters ever observed. Named 2025 MN45, this asteroid\u2019s rapid spin raises the intriguing possibility that it must be made of solid rock to avoid disintegrating under the intense forces of its rotation.<\/p>\n

This discovery, made by theVera C. Rubin Observatory in Chile, marks an important step in understanding the nature of the space objects. Beyond just a speed record, this finding could offer valuable insights into the composition of these space objects and the early history of our solar system.<\/p>\n

An Unprecedented Speed<\/p>\n

Asteroids <\/a>larger than 500 meters typically spin at a much slower rate, usually once every 30 minutes to an hour, since spinning too quickly could cause them to break apart. But 2025 MN45 defies this expectation, completing a full rotation in just 112 seconds.\u201cIt\u2019s unlike anything we\u2019ve been able to see before,\u201d\u00a0said astronomer Sarah Greenstreet <\/a>from the University of Washington.<\/p>\n

\u201cSince most asteroids are believed to be what we call \u2018rubble pile\u2019 asteroids, which means they are made of many, many small pieces of rock and debris that coalesced under gravity during solar system formation or subsequent collisions,\u201d she added.<\/p>\n

Its high rotation speed suggests that it isn\u2019t a loosely bound \u201crubble pile\u201d like many other rocky objects. Instead, 2025 MN45 likely has a solid, dense structure that can withstand the centrifugal forces of such rapid spinning. <\/p>\n

\"AA creative illustration showcasing the rapidly spinning asteroid 2025 MN45. Credit: NSF\u2013DOE Vera C. Rubin Observatory\/NOIRLab\/SLAC\/AURA\/P. Marenfeld.<\/p>\n

A New Dawn in Astronomy<\/p>\n

The Vera C. Rubin Observatory<\/a>, which began its operations in 2023, was instrumental in detecting this fast-spinning celestial body. Located in Chile, the observatory is designed to map the entire southern sky every few nights over the next decade, allowing it to monitor moving objects like asteroids and comets. Its first set of images, released in June, revealed over 2,100 solar system objects, 90 percent of which had never been seen before.<\/p>\n

This ability to monitor the sky in such detail is key to discovering and understanding objects like 2025 MN45. By tracking the brightness variations of asteroids, astronomers can determine their rotation periods. In the case of 2025 MN45, its rapid spin became an important clue, allowing scientists to further explore its composition and behavior. <\/p>\n

\u201cAs this study demonstrates, even in early commissioning, Rubin is successfully allowing us to study a population of relatively small, very rapidly rotating main-belt asteroids that hadn\u2019t been reachable before,\u201d explained Greenstreet in a statement <\/a>from the University of Washington.<\/p>\n

\"AsteroidGraph showing the brightness variation of the fast-rotating object 2025 MN45. Credit: NSF\u2013DOE Vera C. Rubin Observatory\/NOIRLab\/SLAC\/AURA\/J. Pollard<\/p>\n

Reconsidering the Asteroid Belt<\/p>\n

The discovery of 2025 MN45 also raises questions about our understanding of the asteroid belt between Mars <\/a>and Jupiter<\/a>. Traditionally, scientists have thought of the majority of the space rocks in this region as \u201crubble piles,\u201d composed of loose fragments held together by gravity. But the discovery of a fast-rotating, solid asteroid like 2025 MN45 suggests that some of them in the belt could be made of solid rock, challenging previous assumptions.<\/p>\n

Greenstreet believes that more fast-spinning cosmic rock may exist in the asteroid belt, and studying them could provide new insights into how these objects formed and evolved. These celestial bodies may have been formed from larger parent bodies that broke apart during collisions, which could have influenced the current distribution of asteroids in the solar system. <\/p>\n

\u201cThese are exciting results but there\u2019s much more to come,\u201d stated co-author Mario Juri\u0107<\/a>, a UW professor of astronomy. \u201cIn the next two years, Rubin will discover a thousand times as many asteroids as were presented here. Rubin\u2019s data will open the window into what\u2019s out there in our solar system, and how it all came to be.\u201d<\/p>\n

The Vera C. Rubin Observatory is set to help scientists uncover many more such objects, potentially reshaping our understanding of solar system history.<\/p>\n","protected":false},"excerpt":{"rendered":"A newly discovered asteroid has shattered speed records, completing a full rotation in just 112 seconds, faster than…\n","protected":false},"author":2,"featured_media":277138,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[111,139,69,147,392],"class_list":["post-277137","post","type-post","status-publish","format-standard","has-post-thumbnail","category-space","tag-new-zealand","tag-newzealand","tag-nz","tag-science","tag-space"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/posts\/277137","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/comments?post=277137"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/posts\/277137\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/media\/277138"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/media?parent=277137"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/categories?post=277137"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/tags?post=277137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}