{"id":5183,"date":"2013-11-05T00:11:55","date_gmt":"2013-11-05T00:11:55","guid":{"rendered":"http:\/\/hobbyspace.com\/Blog\/?p=5183"},"modified":"2013-11-05T01:11:34","modified_gmt":"2013-11-05T01:11:34","slug":"a-quintet-of-saturn-moons","status":"publish","type":"post","link":"https:\/\/hobbyspace.com\/Blog\/?p=5183","title":{"rendered":"A quintet of Saturn moons"},"content":{"rendered":"

The ESA posts a great picture of a\u00a0Quintet of Moons<\/a>:<\/p>\n

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The image description:<\/p>\n

Five moons pose for the international Cassini spacecraft to create this beautiful portrait with Saturn\u2019s rings.<\/p>\n

This view, from 29 July 2011, looks toward the northern, sunlit side of the rings from just above the ringplane.<\/p>\n

At the far right, and obscuring Saturn itself, is the planet\u2019s second largest moon Rhea, which spans 1528 km. Rhea is closest to Cassini in this composition, at a distance of 1.1 million kilometres. Its heavily cratered surface bears witness to a violent history, with many craters overlapping or erasing the traces of older impact events.<\/p>\n

The nearly 400 km-wide Mimas lies just beyond, and seemingly levitates just above Saturn\u2019s innermost rings. The outline of the moon\u2019s large, distinguishing crater Herschel is partially covered by Rhea, but can just be made out along with numerous smaller craters.<\/p>\n

Brightly reflective Enceladus appears above the centre of the image and lies beyond the rings, at a distance of 1.8 million kilometres from Cassini. Although not visible in this image, icy Enceladus is covered with a network of frozen ridges and troughs, with plumes of ice particles jetting from fissures in its southern hemisphere.<\/p>\n

To the lower left, tiny Pandora, just 81 km across, appears skewered by Saturn\u2019s outer rings \u2013 in fact, it orbits between the planet\u2019s A and F rings.<\/p>\n

Last but not least, the irregularly shaped Janus lies at the far left of the image, several shadowy surface markings corresponding to large impact craters.<\/p>\n

The Cassini\u2013Huygens mission is a cooperative project of NASA, ESA and ASI, the Italian space agency. NASA\u2019s Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the mission for NASA\u2019s Science Mission Directorate, Washington DC, USA.<\/p><\/blockquote>\n

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The ESA posts a great picture of a\u00a0Quintet of Moons: The image description: Five moons pose for the international Cassini spacecraft to create this beautiful portrait with Saturn\u2019s rings. This view, from 29 July 2011, looks toward the northern, sunlit side of the rings from just above the ringplane. At the far right, and obscuring … Continue reading A quintet of Saturn moons<\/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":[12,36,13],"tags":[],"class_list":["post-5183","post","type-post","status-publish","format-standard","hentry","category-astronomy","category-multiple-media","category-space-science"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p34aWK-1lB","jetpack-related-posts":[{"id":13541,"url":"https:\/\/hobbyspace.com\/Blog\/?p=13541","url_meta":{"origin":5183,"position":0},"title":"Cassini to graze Saturn’s rings and view moons close up in its mission finale","author":"TopSpacer","date":"November 23, 2016","format":false,"excerpt":"Cassini spacecraft during its final year at Saturn will make some death defying dives bear\u00a0the edges of the rings: Now in its final year of operations, on Nov. 30, 2016, NASA\u2019s Cassini mission will begin a daring set of ring-grazing orbits, skimming past the outside edge of Saturn's main rings.\u2026","rel":"","context":"In "Europa, Titan, & other deep space sites"","block_context":{"text":"Europa, Titan, & other deep space sites","link":"https:\/\/hobbyspace.com\/Blog\/?cat=98"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/img.youtube.com\/vi\/gj8l2f9prYk\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":12409,"url":"https:\/\/hobbyspace.com\/Blog\/?p=12409","url_meta":{"origin":5183,"position":1},"title":"Saturn: “Dark Moons, Dark Rings”","author":"TopSpacer","date":"March 29, 2016","format":false,"excerpt":"Great image from the Cassini probe of two moons above Saturn's rings: Dark Moons, Dark Rings When taking images in directions opposite from the sun, most objects appear dark. 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Parts of Saturn's main rings appear dark in backlit views, particularly the dense\u2026","rel":"","context":"In "Gas giants Saturn, Jupiter, et al"","block_context":{"text":"Gas giants Saturn, Jupiter, et al","link":"https:\/\/hobbyspace.com\/Blog\/?cat=87"},"img":{"alt_text":"TwoMoonsAboveTheRings-PIA18360_hires","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/03\/TwoMoonsAboveTheRings-PIA18360_hires.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":7358,"url":"https:\/\/hobbyspace.com\/Blog\/?p=7358","url_meta":{"origin":5183,"position":2},"title":"Cassini images hint at formation of a new Saturn moon","author":"TopSpacer","date":"April 15, 2014","format":false,"excerpt":"Saturn's rings may be birthing a new moon: NASA Cassini Images May Reveal Birth of New Saturn Moon\u00a0 NASA's Cassini spacecraft has documented the formation of a small icy object within the rings of Saturn that may be a new moon, and may also provide clues to the formation of\u2026","rel":"","context":"In "Gas giants Saturn, Jupiter, et al"","block_context":{"text":"Gas giants Saturn, Jupiter, et al","link":"https:\/\/hobbyspace.com\/Blog\/?cat=87"},"img":{"alt_text":"pia18078_peggy_0","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2014\/04\/pia18078_peggy_0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":5263,"url":"https:\/\/hobbyspace.com\/Blog\/?p=5263","url_meta":{"origin":5183,"position":3},"title":"Earth + Saturn in natural-color: new panoramic mosaic from NASA Cassini","author":"TopSpacer","date":"November 12, 2013","format":false,"excerpt":"A press release from NASA: NASA Cassini Spacecraft Provides New View of Saturn and Earth NASA has released a natural-color image of Saturn from space, the first in which Saturn, its moons and rings, and Earth, Venus and Mars, all are visible. 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