![\"cassini_rhea_heart\"](\"https:\/\/i0.wp.com\/blogs.discovermagazine.com\/badastronomy\/files\/2009\/11\/cassini_rhea_heart.jpg?resize=328%2C317\" "\\"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":657,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4821],"tags":[],"class_list":["post-664106","post","type-post","status-publish","format-standard","hentry","category-news"],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p9NivD-2MLo","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/mereja.com\/index\/wp-json\/wp\/v2\/posts\/664106","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mereja.com\/index\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mereja.com\/index\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mereja.com\/index\/wp-json\/wp\/v2\/users\/657"}],"replies":[{"embeddable":true,"href":"https:\/\/mereja.com\/index\/wp-json\/wp\/v2\/comments?post=664106"}],"version-history":[{"count":1,"href":"https:\/\/mereja.com\/index\/wp-json\/wp\/v2\/posts\/664106\/revisions"}],"predecessor-version":[{"id":765508,"href":"https:\/\/mereja.com\/index\/wp-json\/wp\/v2\/posts\/664106\/revisions\/765508"}],"wp:attachment":[{"href":"https:\/\/mereja.com\/index\/wp-json\/wp\/v2\/media?parent=664106"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mereja.com\/index\/wp-json\/wp\/v2\/categories?post=664106"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mereja.com\/index\/wp-json\/wp\/v2\/tags?post=664106"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![\"cassini_rhea_heartcontext\"](\"https:\/\/i0.wp.com\/blogs.discovermagazine.com\/badastronomy\/files\/2009\/11\/cassini_rhea_heartcontext.jpg?resize=457%2C432\" "\\"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>
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