{"id":198302,"date":"2024-10-26T00:33:31","date_gmt":"2024-10-26T05:33:31","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2024\/10\/new-research-shows-most-space-rocks-crashing-into-earth-come-from-a-single-source"},"modified":"2024-10-26T00:33:31","modified_gmt":"2024-10-26T05:33:31","slug":"new-research-shows-most-space-rocks-crashing-into-earth-come-from-a-single-source","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2024\/10\/new-research-shows-most-space-rocks-crashing-into-earth-come-from-a-single-source","title":{"rendered":"New research shows most space rocks crashing into Earth come from a single source"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/new-research-shows-most-space-rocks-crashing-into-earth-come-from-a-single-source2.jpg\"><\/a><\/p>\n<p>The two new studies place the sources of ordinary chondrite types into specific asteroid families \u2013 and most likely specific asteroids. This work requires painstaking back-tracking of meteoroid trajectories, observations of individual asteroids, and detailed modelling of the orbital evolution of parent bodies.<\/p>\n<p><a href=\"https:\/\/www.nature.com\/articles\/s41586-024-08006-7\">The study<\/a> led by Miroslav Bro\u017e reports that ordinary chondrites originate from collisions between asteroids larger than 30 kilometres in diameter that occurred less than 30 million years ago.<\/p>\n<p>The Koronis and Massalia asteroid families provide appropriate body sizes and are in a position that leads to material falling to Earth, based on detailed computer modelling. Of these families, asteroids Koronis and Karin are likely the dominant sources of H chondrites. Massalia (L) and Flora (LL) families are by far the main sources of L-and LL-like meteorites.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The two new studies place the sources of ordinary chondrite types into specific asteroid families \u2013 and most likely specific asteroids. This work requires painstaking back-tracking of meteoroid trajectories, observations of individual asteroids, and detailed modelling of the orbital evolution of parent bodies. The study led by Miroslav Bro\u017e reports that ordinary chondrites originate from [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36,1523,12],"tags":[],"class_list":["post-198302","post","type-post","status-publish","format-standard","hentry","category-asteroid-comet-impacts","category-computing","category-existential-risks"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/198302","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=198302"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/198302\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=198302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=198302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=198302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}