![\"cassini_rhea_heart\"](\"http:\/\/blogs.discovermagazine.com\/badastronomy\/files\/2009\/11\/cassini_rhea_heart.jpg\" "\\"cassini_rhea_heart\\"")
<\/a><\/center><\/p>\nThis is an image from Cassini. It’s a closeup of a crater on Rhea, a moon of Saturn about half the size of our own natural satellite. I love how the small crater and ridge inside<\/em> the bigger crater make it look like the heart is winking!<\/p>\n In the full size image you can see what looks like a ridge to the left of the heart, but in fact that’s the edge of a vast crater on the surface of Rhea. You can see it better in this image of the whole moon, where I’ve marked the location of the heart:<\/p>\n I don’t know exactly what’s going on with this heart; is it a crater that expanded when the walls collapsed around it, so it’s no longer round? Or is it a sink hole, where the whole thing is a collapse feature? I love pictures like this, showing us the diversity and cool-factor of other worlds in our solar system. <\/p>\n And, of course: Happy Valentine’s Day.<\/p>\n Related posts: Same shape, different moon… An interplanetary dedication of love for all you starry-eyed geeks: This is an image from Cassini. It’s a closeup of a crater on Rhea, a moon of Saturn about half the size of our own natural satellite. I love how the small crater and ridge inside the bigger crater make it […]<\/p>\n","protected":false},"author":641,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-319181","post","type-post","status-publish","format-standard","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/mereja.media\/index\/wp-json\/wp\/v2\/posts\/319181","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mereja.media\/index\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mereja.media\/index\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mereja.media\/index\/wp-json\/wp\/v2\/users\/641"}],"replies":[{"embeddable":true,"href":"https:\/\/mereja.media\/index\/wp-json\/wp\/v2\/comments?post=319181"}],"version-history":[{"count":0,"href":"https:\/\/mereja.media\/index\/wp-json\/wp\/v2\/posts\/319181\/revisions"}],"wp:attachment":[{"href":"https:\/\/mereja.media\/index\/wp-json\/wp\/v2\/media?parent=319181"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mereja.media\/index\/wp-json\/wp\/v2\/categories?post=319181"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mereja.media\/index\/wp-json\/wp\/v2\/tags?post=319181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![\"cassini_rhea_heartcontext\"](\"http:\/\/blogs.discovermagazine.com\/badastronomy\/files\/2009\/11\/cassini_rhea_heartcontext.jpg\" "\\"cassini_rhea_heartcontext\\"")
<\/a><\/center><\/p>\n
\nHave a cosmic Valentine’s Day<\/a>
\nScientific Valentines<\/a>
\nThe beating heart of W5<\/a>
\nHave an astronomical Valentine’s Day<\/a>
<\/em><\/p>\n<\/a>
\n<\/a><\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"