{"id":10363,"date":"2015-04-13T11:14:07","date_gmt":"2015-04-13T15:14:07","guid":{"rendered":"http:\/\/hobbyspace.com\/Blog\/?p=10363"},"modified":"2015-04-13T11:14:07","modified_gmt":"2015-04-13T15:14:07","slug":"rosetta-montage-of-images-of-comet-67pc-g","status":"publish","type":"post","link":"https:\/\/hobbyspace.com\/Blog\/?p=10363","title":{"rendered":"Rosetta montage of images of Comet 67P\/C-G"},"content":{"rendered":"

The\u00a0ESA Rosetta<\/a>\u00a0mission releases a new set of images of Comet 67P\/Churyumov-Gerasimenko:<\/p>\n

Comet activity 31 January \u2013 25 March 2015<\/a><\/strong><\/p>\n

\"Comet_activity_31_January_25_March_2015_node_full_image_2[1]\"Click for larger image<\/a><\/p>\n

Four months from today, on 13 August, Comet 67P\/Churyumov-Gerasimenko will reach perihelion \u2013 a moment that defines its closest point to the Sun along its orbit.<\/p>\n

For 67P\/Churyumov-Gerasimenko, this takes place at a distance of about 185 million km from the Sun, between the orbits of Earth and Mars.<\/p>\n

Rosetta is along for the ride, and has been watching the gradual evolution of the comet since arriving in August 2014.<\/p>\n

As the comet\u2019s surface layers are gently warmed, frozen ices sublimate. The escaping gas carries streams of dust out into space, and together these slowly expand to create the comet\u2019s fuzzy atmosphere, or coma.<\/p>\n

As the comet continues to move closer to the Sun, the warming continues and activity rises, and pressure from the solar wind causes some of the materials to stream out into long tails, one made of gas, the other of dust. The comet\u2019s coma will eventually span tens of thousands of kilometres, while the tails may extend hundreds of thousands of kilometres, and both will be visible through large telescopes on Earth.<\/p>\n

But it is Rosetta\u2019s close study of the comet, from just a few tens of kilometres above its surface, which enables the source of the comet\u2019s activity to be studied in great detail, providing context to the more distant ground-based observations.<\/p>\n

This spectacular montage of 18 images shows off the comet\u2019s activity from many different angles as seen between 31 January (top left) and 25 March (bottom right), when the spacecraft was at distances of about 30 to 100 km from the comet. At the same time, Comet 67P\/Churyumov-Gerasimenko was at distances between 363 million and 300 million km from the Sun.<\/p>\n

After perihelion, Rosetta will continue to follow the comet, watching how the activity subsides as it moves away from the Sun and back \u00a0to the outer Solar System again.<\/p>\n","protected":false},"excerpt":{"rendered":"

The\u00a0ESA Rosetta\u00a0mission releases a new set of images of Comet 67P\/Churyumov-Gerasimenko: Comet activity 31 January \u2013 25 March 2015 Click for larger image Four months from today, on 13 August, Comet 67P\/Churyumov-Gerasimenko will reach perihelion \u2013 a moment that defines its closest point to the Sun along its orbit. For 67P\/Churyumov-Gerasimenko, this takes place at … Continue reading Rosetta montage of images of Comet 67P\/C-G<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[75,13],"tags":[],"class_list":["post-10363","post","type-post","status-publish","format-standard","hentry","category-asteroids","category-space-science"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p34aWK-2H9","jetpack-related-posts":[{"id":8579,"url":"https:\/\/hobbyspace.com\/Blog\/?p=8579","url_meta":{"origin":10363,"position":0},"title":"More Rosetta photos of comet 67P\/C-G","author":"TopSpacer","date":"August 14, 2014","format":false,"excerpt":"Rosetta\u00a0returns more great pictures of the comet\u00a0t 67P\/Churyumov-Gerasimenko:\u00a0 *\u00a0CometWatch \u2013 12 August | Rosetta - ESA's comet chaser Full-frame NAVCAM image taken on 12 August 2014 from a distance of about 103 km from comet 67P\/Churyumov-Gerasimenko. Credits: ESA\/Rosetta\/NAVCAM *\u00a0CometWatch \u2013 13 August | Rosetta - ESA's comet chaser Full-frame NAVCAM\u2026","rel":"","context":"In "Asteroids & Comets"","block_context":{"text":"Asteroids & Comets","link":"https:\/\/hobbyspace.com\/Blog\/?cat=75"},"img":{"alt_text":"Full-frame NAVCAM image taken on 12 August 2014 from a distance of about 103 km from comet 67P\/Churyumov-Gerasimenko. Credits: ESA\/Rosetta\/NAVCAM","src":"https:\/\/i0.wp.com\/blogs.esa.int\/rosetta\/files\/2014\/08\/ESA_ROSETTA_NAVCAM_20140812.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":8480,"url":"https:\/\/hobbyspace.com\/Blog\/?p=8480","url_meta":{"origin":10363,"position":1},"title":"Rosetta nears comet rendezvous","author":"TopSpacer","date":"August 5, 2014","format":false,"excerpt":"The European Space Agency's\u00a0Rosetta\u00a0spacecraft will rendezvous with \u00a0Comet 67P\/Churyumov-Gerasimenko on Wednesday. \u00a0Find lots of info, images, videos, etc of the approach and rendezvous at the webstie\u00a0Rosetta | rendevous with a comet. A livestream webcast will start on Wednesday at 08:00UTC (4:00 am EDT). \u00a0Here's the\u00a0Rosetta timeline\u00a0for events in this initial\u2026","rel":"","context":"In "Asteroids & Comets"","block_context":{"text":"Asteroids & Comets","link":"https:\/\/hobbyspace.com\/Blog\/?cat=75"},"img":{"alt_text":"Crop from the 3 August image of comet 67P\/Churyumov-Gerasimenko. Credits: ESA\/Rosetta\/NAVCAM","src":"https:\/\/i0.wp.com\/blogs.esa.int\/rosetta\/files\/2014\/08\/ESA_ROSETTA_NAVCAM_20140803_cropped_scaledx2.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":9759,"url":"https:\/\/hobbyspace.com\/Blog\/?p=9759","url_meta":{"origin":10363,"position":2},"title":"Video: Seminar on the Rosetta Lander (Philae) mission to comet 67P\/C-G","author":"TopSpacer","date":"January 26, 2015","format":false,"excerpt":"Here's a SETI Institute seminar by Jens Biele of the German space agency (DLR) in which he talks about the ESA Rosetta\/Philae\u00a0landing on\u00a0Comet 67P\/C-G:\u00a0The Rosetta Lander (PHILAE) mission: landing on comet 67P\/Churyumov-Gerasimenko -\u00a0SETI Institute http:\/\/youtu.be\/tQLtAp1Aw48 Here is the caption to the video: The Rosetta Lander (PHILAE) mission: landing on comet\u2026","rel":"","context":"In "Asteroids & Comets"","block_context":{"text":"Asteroids & Comets","link":"https:\/\/hobbyspace.com\/Blog\/?cat=75"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/img.youtube.com\/vi\/tQLtAp1Aw48\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":8626,"url":"https:\/\/hobbyspace.com\/Blog\/?p=8626","url_meta":{"origin":10363,"position":3},"title":"Comet 67P\/C-G versus Los Angeles","author":"TopSpacer","date":"August 19, 2014","format":false,"excerpt":"I've posted several times about ESA's Rosetta mission to the Comet 67P\/Churyumov-Gerasimenko, e.g. see here and here. The Rosetta images of the bizarrely shaped object \u00a0don't provide a sense of its size. Here is an image that gives some scale to it with a comparison to downtown L.A. : Twitter\u2026","rel":"","context":"In "Asteroids & Comets"","block_context":{"text":"Asteroids & Comets","link":"https:\/\/hobbyspace.com\/Blog\/?cat=75"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":8945,"url":"https:\/\/hobbyspace.com\/Blog\/?p=8945","url_meta":{"origin":10363,"position":4},"title":"Great 3D views of Comet 67P-C-G","author":"TopSpacer","date":"October 4, 2014","format":false,"excerpt":"Check out the marvelous imagery of the Comet 67P\/Churyumov\u2013Gerasimenko\u00a0created by Mattias Malmer\u00a0using photos from ESA's Rosetta\u00a0probe\u00a0:\u00a0Mattias Malmer's amazing 3D views of Churyumov-Gerasimenko -\u00a0The Planetary Society. Most of the images require 3-D glasses but here is\u00a0a fly-over version: https:\/\/www.youtube.com\/watch?v=mAgHY-hDq9c Here is one for your glasses: https:\/\/www.youtube.com\/watch?v=AebfoQyLiY0 For many more images, go\u2026","rel":"","context":"In "Asteroids & Comets"","block_context":{"text":"Asteroids & Comets","link":"https:\/\/hobbyspace.com\/Blog\/?cat=75"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/img.youtube.com\/vi\/mAgHY-hDq9c\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":9127,"url":"https:\/\/hobbyspace.com\/Blog\/?p=9127","url_meta":{"origin":10363,"position":5},"title":"Latest Rosetta images","author":"TopSpacer","date":"October 30, 2014","format":false,"excerpt":"The Rosetta spacecraft continues to take amazing photos of comet\u00a0 67P\/C-G as it gets closer and closer to it. Check out these image galleries: Space in Images - Missions - Rosetta CometWatch \u2013 26 October | Rosetta - ESA's comet chaser A feast of comet features from Rosetta at Churyumov-Gerasimenko\u2026","rel":"","context":"In "Asteroids & Comets"","block_context":{"text":"Asteroids & Comets","link":"https:\/\/hobbyspace.com\/Blog\/?cat=75"},"img":{"alt_text":"ESA_Rosetta_NAVCAM_141026_mosaic-922x1024[1]","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2014\/10\/ESA_Rosetta_NAVCAM_141026_mosaic-922x10241.jpg?resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/10363","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10363"}],"version-history":[{"count":1,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/10363\/revisions"}],"predecessor-version":[{"id":10365,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/10363\/revisions\/10365"}],"wp:attachment":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}