{"id":128,"date":"2020-07-17T12:13:09","date_gmt":"2020-07-17T12:13:09","guid":{"rendered":"https:\/\/staffblogs.le.ac.uk\/physicsastronomy\/?p=128"},"modified":"2025-02-26T13:37:42","modified_gmt":"2025-02-26T13:37:42","slug":"chasing-shadows-at-jupiter","status":"publish","type":"post","link":"https:\/\/staffblogs.le.ac.uk\/physicsastronomy\/2020\/07\/17\/chasing-shadows-at-jupiter\/","title":{"rendered":"Chasing shadows at Jupiter"},"content":{"rendered":"\n<p><strong><em>On July 17<sup>th<\/sup>, 11am-4pm, \u00a0 Leicester planetary scientists Dr. Tom Stallard and Dr. Henrik Melin were live-streaming observations of Ganymede as it passed over the face of Jupiter, using telescopes on the summit of Maunakea, Hawaii.\u00a0<\/em><\/strong><br><br><\/p>\n\n\n\n<p>This observation is expected to give us vital new insights into how Jupiter\u2019s extreme upper atmosphere changes as the planet rotates from day to night. We have no way to measure the night side from Earth, and the measurement would also be very difficult from the Juno spacecraft, currently in orbit around Jupiter.\u00a0 Unlike at Earth, where lunar eclipses last only a few minutes, the darkness of Ganymede\u2019s shadow envelops a small part of Jupiter for over an hour \u2013 we observed this region for more than three hours, allowing us to see Jupiter\u2019s ionosphere in darkness for the first time.<br><br><\/p>\n\n\n\n<p>This event was hosted by the Royal Astronomical society, and included Q&amp;A activities, and a talk by Prof. Emma Bunce on the magnetospheres of Jupiter and Saturn.\u00a0 \u00a0You can catch up with the full stream on Youtube:<br><br><br><\/p>\n\n\n\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Chasing Shadows at Jupiter: a livestream telescope observation from the summit of Mauna Kea\" width=\"620\" height=\"349\" src=\"https:\/\/www.youtube.com\/embed\/amlUJd2Tlt4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>On July 17th, 11am-4pm, \u00a0 Leicester planetary scientists Dr. Tom Stallard and Dr. Henrik Melin were live-streaming observations of Ganymede as it passed over the face of Jupiter, using telescopes on the summit of Maunakea, Hawaii.\u00a0 This observation is expected to give us vital new insights into how Jupiter\u2019s extreme upper atmosphere changes as the [&hellip;]<\/p>\n","protected":false},"author":256,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,10],"tags":[],"class_list":["post-128","post","type-post","status-publish","format-standard","hentry","category-outreach","category-planetary"],"_links":{"self":[{"href":"https:\/\/staffblogs.le.ac.uk\/physicsastronomy\/wp-json\/wp\/v2\/posts\/128","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/staffblogs.le.ac.uk\/physicsastronomy\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/staffblogs.le.ac.uk\/physicsastronomy\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/staffblogs.le.ac.uk\/physicsastronomy\/wp-json\/wp\/v2\/users\/256"}],"replies":[{"embeddable":true,"href":"https:\/\/staffblogs.le.ac.uk\/physicsastronomy\/wp-json\/wp\/v2\/comments?post=128"}],"version-history":[{"count":2,"href":"https:\/\/staffblogs.le.ac.uk\/physicsastronomy\/wp-json\/wp\/v2\/posts\/128\/revisions"}],"predecessor-version":[{"id":130,"href":"https:\/\/staffblogs.le.ac.uk\/physicsastronomy\/wp-json\/wp\/v2\/posts\/128\/revisions\/130"}],"wp:attachment":[{"href":"https:\/\/staffblogs.le.ac.uk\/physicsastronomy\/wp-json\/wp\/v2\/media?parent=128"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/staffblogs.le.ac.uk\/physicsastronomy\/wp-json\/wp\/v2\/categories?post=128"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/staffblogs.le.ac.uk\/physicsastronomy\/wp-json\/wp\/v2\/tags?post=128"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}