{"id":3794,"date":"2022-11-29T16:53:20","date_gmt":"2022-11-29T07:53:20","guid":{"rendered":"https:\/\/hera.isas.jaxa.jp\/wp-hera\/3794\/"},"modified":"2024-01-19T18:20:40","modified_gmt":"2024-01-19T09:20:40","slug":"avalanche-on-an-asteroid","status":"publish","type":"post","link":"https:\/\/hera.isas.jaxa.jp\/wp-hera\/en\/3794\/","title":{"rendered":"Avalanche on an asteroid !?"},"content":{"rendered":"<p>The DART spacecraft revealed that Didymos exhibits a top shape with a bulging equator.<\/p>\n<p>The results of numerical simulation using a supercomputer were presented regarding the formation process of the top shape, which can also be seen in the Ryugu explored by Hayabusa2 and the Bennu explored by NASA\/OSIRIS-Rex. The results show that such shapes can be formed by avalanches occurring on asteroids. For more details, refer to the article below.<\/p>\n<p>\u25c6ISAS GATE\u25c6<br \/>\n\u3010Avalanche on an asteroid!? What is the evolution of rubble-pile asteroids?<br \/>\n&#8211; Avalanches, and the formation of top-shaped asteroids and rubble-pile satellites -\u3011<br \/>\n<a href=\"https:\/\/www.isas.jaxa.jp\/home\/research-portal\/gateway\/2022\/1125\/\">https:\/\/www.isas.jaxa.jp\/home\/research-portal\/gateway\/2022\/1125\/<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>Shimaki, Hera JAPAN<\/p>\n<p>Nov. 29, 2022<\/p>\n<p>&nbsp;<\/p>\n<p>\u3010Avalanche on asteroid!? What is the evolution of rubble-pile asteroids? (Simulation movie) &#8211; Avalanches, and the formation of top-shaped asteroids and rubble-pile satellites &#8211; Based on Hyodo &amp; Sugiura (2022) ApJL 937 L36 \u3011<\/p>\n<p><iframe loading=\"lazy\" title=\"\u5c0f\u60d1\u661f\u3067\u8d77\u3053\u308a\u3048\u308b\u96ea\u5d29\u73fe\u8c61\uff01\uff1f \/ Avalanche on an asteroid!? (Diagonal view)\uff1aHyodo &amp; Sugiura 2022 ApJL, 937, L36\" width=\"1170\" height=\"658\" src=\"https:\/\/www.youtube.com\/embed\/Bj_TZYYSWKQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p><iframe loading=\"lazy\" title=\"\u5c0f\u60d1\u661f\u3067\u8d77\u3053\u308a\u3048\u308b\u96ea\u5d29\u73fe\u8c61\uff01\uff1f \/ Avalanche on an asteroid!? (Viewed from above)\uff1aHyodo &amp; Sugiura 2022 ApJL, 937, L36\" width=\"1170\" height=\"658\" src=\"https:\/\/www.youtube.com\/embed\/9xi7FN5ZEcA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p style=\"text-align: center;\">Figure: jaxasgm-JAXA Sagamihara Channel (YouTube)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The DART spacecraft revealed that Didymos exhibits a top shape with a bulging equator. The results of numerical simulation using a supercomputer were presented regarding the formation process of the top shape, which can also be seen in the Ryugu explored by Hayabusa2 and the Bennu explored by NASA\/OSIRIS-Rex. The results show that such shapes can be formed by avalanches occurring on asteroids. For more details, refer to the article below. \u25c6ISAS GATE\u25c6 \u3010Avalanche on an asteroid!? What is the evolution of rubble-pile asteroids? &#8211; Avalanches, and the formation of top-shaped asteroids and rubble-pile satellites -\u3011 https:\/\/www.isas.jaxa.jp\/home\/research-portal\/gateway\/2022\/1125\/ &nbsp; Shimaki, Hera JAPAN Nov. 29, 2022 &nbsp; \u3010Avalanche on asteroid!? What is the evolution of rubble-pile asteroids? (Simulation movie) &#8211; Avalanches, and [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":3733,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[],"_links":{"self":[{"href":"https:\/\/hera.isas.jaxa.jp\/wp-hera\/en\/wp-json\/wp\/v2\/posts\/3794"}],"collection":[{"href":"https:\/\/hera.isas.jaxa.jp\/wp-hera\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hera.isas.jaxa.jp\/wp-hera\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hera.isas.jaxa.jp\/wp-hera\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/hera.isas.jaxa.jp\/wp-hera\/en\/wp-json\/wp\/v2\/comments?post=3794"}],"version-history":[{"count":4,"href":"https:\/\/hera.isas.jaxa.jp\/wp-hera\/en\/wp-json\/wp\/v2\/posts\/3794\/revisions"}],"predecessor-version":[{"id":4072,"href":"https:\/\/hera.isas.jaxa.jp\/wp-hera\/en\/wp-json\/wp\/v2\/posts\/3794\/revisions\/4072"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hera.isas.jaxa.jp\/wp-hera\/en\/wp-json\/wp\/v2\/media\/3733"}],"wp:attachment":[{"href":"https:\/\/hera.isas.jaxa.jp\/wp-hera\/en\/wp-json\/wp\/v2\/media?parent=3794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hera.isas.jaxa.jp\/wp-hera\/en\/wp-json\/wp\/v2\/categories?post=3794"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hera.isas.jaxa.jp\/wp-hera\/en\/wp-json\/wp\/v2\/tags?post=3794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}