{"id":20690,"date":"2025-01-23T18:54:38","date_gmt":"2025-01-23T19:54:38","guid":{"rendered":"https:\/\/medexperts.pro\/?p=20690"},"modified":"2025-01-23T20:26:41","modified_gmt":"2025-01-23T20:26:41","slug":"earths-mini-moon-was-probably-a-piece-of-its-real-moon","status":"publish","type":"post","link":"https:\/\/medexperts.pro\/?p=20690","title":{"rendered":"Earth\u2019s Mini-Moon Was Probably a Piece of Its Real Moon"},"content":{"rendered":"<p id=\"article-summary\" class=\"css-79rysd e1wiw3jv0\">Scientists think a small rock discovered near Earth last August was hurled into space by an ancient impact on the lunar surface.<\/p>\n<section class=\"meteredContent css-1r7ky0e\">\n<div class=\"css-s99gbd StoryBodyCompanionColumn\" data-testid=\"companionColumn-0\">\n<div class=\"css-53u6y8\">\n<p class=\"css-at9mc1 evys1bk0\">For a few months last fall, a school-bus-size space rock named 2024 PT5 <a class=\"css-yywogo\" href=\"https:\/\/www.nytimes.com\/2024\/09\/12\/science\/new-mini-moon-earth-orbit.html\" title>gained fame<\/a> as Earth\u2019s new \u201cmini-moon.\u201d Astronomers rushed to study the object while it was still close enough to Earth to observe in detail.<\/p>\n<p class=\"css-at9mc1 evys1bk0\">Now, one team has concluded that 2024 PT5 is a chunk of the real moon. The rock was most likely flung into space by an impact on the lunar surface that occurred sometime within the past tens of thousand years, according to <a class=\"css-yywogo\" href=\"https:\/\/iopscience.iop.org\/article\/10.3847\/2041-8213\/ad9ea8\" title rel=\"noopener noreferrer\" target=\"_blank\">a study<\/a> published earlier this month in The Astrophysical Journal Letters.<\/p>\n<p class=\"css-at9mc1 evys1bk0\">This is the second time scientists have linked a near-Earth object to the moon, after a 2021 study <a class=\"css-yywogo\" href=\"https:\/\/www.nature.com\/articles\/s43247-021-00303-7\" title rel=\"noopener noreferrer\" target=\"_blank\">identified the object 469219 Kamo\u02bboalewa<\/a> as possibly lunar in origin. Taken together, the research reveals a population of exiled moon rocks, or \u201clunar ejecta,\u201d that has remained hidden up until now.<\/p>\n<\/div>\n<\/div>\n<div data-testid=\"Dropzone-1\"><\/div>\n<div class=\"css-s99gbd StoryBodyCompanionColumn\" data-testid=\"companionColumn-1\">\n<div class=\"css-53u6y8\">\n<p class=\"css-at9mc1 evys1bk0\">\u201cWe knew that lunar ejecta were potentially hiding in these kinds of really near-Earth orbits,\u201d said Teddy Kareta, a postdoctoral researcher at Lowell Observatory in Arizona who led the research.<\/p>\n<\/div>\n<\/div>\n<div data-testid=\"VideoBlock-3\">\n<figure class=\"sizeMedium css-sx232s\" aria-label=\"media\" role=\"group\" data-testid=\"VideoBlock\">\n<div class=\"css-1xb94ky\">\n<div class=\"css-11kuxu4\" style=\"width:100%;padding-bottom:66.66666666666666%;overflow:hidden\">\n<div class=\"css-122y91a\"><\/div>\n<\/div>\n<\/div><figcaption class=\"css-ktho12 e3rygrp0\"><span class=\"css-jevhma e13ogyst0\" data-testid=\"video-summary\">The asteroid 2024 PT5 was probably the result of an earlier object\u2019s collision with the moon.<\/span><span class=\"css-cch8ym\"><span class=\"css-14fe1uy e1z0qqy90\"><span>Tony Dunn<\/span><\/span><\/span><\/figcaption><\/figure>\n<\/div>\n<div class=\"css-s99gbd StoryBodyCompanionColumn\" data-testid=\"companionColumn-2\">\n<div class=\"css-53u6y8\">\n<p class=\"css-at9mc1 evys1bk0\">Earth often encounters drifting objects, including asteroids or meteoroids, that can become temporary moons or \u201cquasi-satellites.\u201d Advanced observatories, such as the Asteroid Terrestrial-impact Last Alert System, or ATLAS, are designed to spot these fellow travelers, which are typically visible for only weeks or months.<\/p>\n<div class=\"css-1336jj\">\n<div class=\"css-121kum4\">\n<div class=\"css-171d1bw\"><\/div>\n<div class=\"css-asuuk5\">\n<div class=\"css-7axq9l\" data-testid=\"optimistic-truncator-noscript\">\n<div data-testid=\"optimistic-truncator-noscript-message\" class=\"css-6yo1no\">\n<p class=\"css-3kpklk\">We are having trouble retrieving the article content.<\/p>\n<p class=\"css-3kpklk\">Please enable JavaScript in your browser settings.<\/p>\n<\/div>\n<\/div>\n<div class=\"css-1dv1kvn\" id=\"optimistic-truncator-a11y\">\n<hr \/>\n<p>Thank you for your patience while we verify access. If you are in Reader mode please exit and\u00a0<a href=\"https:\/\/myaccount.nytimes.com\/auth\/login?response_type=cookie&amp;client_id=vi&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2025%2F01%2F23%2Fscience%2Fearth-mini-moon-asteroid.html&amp;asset=opttrunc\">log into<\/a>\u00a0your Times account, or\u00a0<a href=\"https:\/\/www.nytimes.com\/subscription?campaignId=89WYR&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2025%2F01%2F23%2Fscience%2Fearth-mini-moon-asteroid.html\">subscribe<\/a>\u00a0for all of The Times.<\/p>\n<hr \/>\n<\/div>\n<div class=\"css-1g71tqy\">\n<div data-testid=\"optimistic-truncator-message\" class=\"css-6yo1no\">\n<p class=\"css-3kpklk\">Thank you for your patience while we verify access.<\/p>\n<p class=\"css-3kpklk\">Already a subscriber?\u00a0<a data-testid=\"log-in-link\" class=\"css-z5ryv4\" href=\"https:\/\/myaccount.nytimes.com\/auth\/login?response_type=cookie&amp;client_id=vi&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2025%2F01%2F23%2Fscience%2Fearth-mini-moon-asteroid.html&amp;asset=opttrunc\">Log in<\/a>.<\/p>\n<p class=\"css-3kpklk\">Want all of The Times?\u00a0<a data-testid=\"subscribe-link\" class=\"css-z5ryv4\" href=\"https:\/\/www.nytimes.com\/subscription?campaignId=89WYR&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2025%2F01%2F23%2Fscience%2Fearth-mini-moon-asteroid.html\">Subscribe<\/a>.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Scientists think a small rock discovered near Earth last August was hurled into space by an ancient impact on the lunar surface.For a few months last fall, a school-bus-size space rock named 2024 PT5 gained fame as Earth\u2019s new \u201cmini-moon.\u201d Astronomers rushed to study the object while it was still close enough to Earth to observe in detail.Now, one team has concluded that 2024 PT5 is a chunk of the real moon. The rock was most likely flung into space by an impact on the lunar surface that occurred sometime within the past tens of thousand years, according to a study published earlier this month in The Astrophysical Journal Letters.This is the second time scientists have linked a near-Earth object to the moon, after a 2021 study identified the object 469219 Kamo\u02bboalewa as possibly lunar in origin. Taken together, the research reveals a population of exiled moon rocks, or \u201clunar ejecta,\u201d that has remained hidden up until now.\u201cWe knew that lunar ejecta were potentially hiding in these kinds of really near-Earth orbits,\u201d said Teddy Kareta, a postdoctoral researcher at Lowell Observatory in Arizona who led the research.The asteroid 2024 PT5 was probably the result of an earlier object\u2019s collision with the moon.Tony DunnEarth often encounters drifting objects, including asteroids or meteoroids, that can become temporary moons or \u201cquasi-satellites.\u201d Advanced observatories, such as the Asteroid Terrestrial-impact Last Alert System, or ATLAS, are designed to spot these fellow travelers, which are typically visible for only weeks or months.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and\u00a0log into\u00a0your Times account, or\u00a0subscribe\u00a0for all of The Times.Thank you for your patience while we verify access.Already a subscriber?\u00a0Log in.Want all of The Times?\u00a0Subscribe.<\/p>\n","protected":false},"author":1,"featured_media":20692,"comment_status":"close","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-20690","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science"],"_links":{"self":[{"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/posts\/20690","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/medexperts.pro\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=20690"}],"version-history":[{"count":2,"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/posts\/20690\/revisions"}],"predecessor-version":[{"id":20693,"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/posts\/20690\/revisions\/20693"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/media\/20692"}],"wp:attachment":[{"href":"https:\/\/medexperts.pro\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=20690"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medexperts.pro\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=20690"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medexperts.pro\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=20690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}