{"id":6406,"date":"2013-05-14T11:18:52","date_gmt":"2013-05-14T18:18:52","guid":{"rendered":"http:\/\/planets.ucla.edu\/?p=6406"},"modified":"2021-01-18T01:37:20","modified_gmt":"2021-01-18T09:37:20","slug":"051613spiegel","status":"publish","type":"post","link":"http:\/\/planets.ucla.edu\/?p=6406","title":{"rendered":"May 16, 2013: The Beginning of Life and the End of Solar Systems"},"content":{"rendered":"<p>I will address several questions related to how much life there might be in our Galaxy:<br \/>\nWhat affects whether potentially Earth-like exoplanets might be good abodes for life?<br \/>\nWhat kind of (Milankovitch-like) variations in habitability might be expected in exosolar<br \/>\nsystems?  And what does the origin of life on Earth tell us about the probability of life<br \/>\nelsewhere in the Galaxy? I will also discuss the longterm evolution of binary systems,<br \/>\nincluding thermal and chemical changes, and orbital evolution.  In particular, Jupiter will<br \/>\neventually become a hot Jupiter, and if it were somewhat closer to the Sun it would<br \/>\neventually be tidally engulfed by the future-red-giant Sun.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I will address several questions related to how much life there might be in our Galaxy: What affects whether potentially Earth-like exoplanets might be good abodes for life? What kind of (Milankovitch-like) variations in habitability might be expected in exosolar systems? And what does the origin of life on Earth tell us about the probability &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/planets.ucla.edu\/?p=6406\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;May 16, 2013: The Beginning of Life and the End of Solar Systems&#8221;<\/span><\/a><\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[256],"tags":[],"class_list":["post-6406","post","type-post","status-publish","format-standard","hentry","category-colloquia"],"_links":{"self":[{"href":"http:\/\/planets.ucla.edu\/index.php?rest_route=\/wp\/v2\/posts\/6406","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/planets.ucla.edu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/planets.ucla.edu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/planets.ucla.edu\/index.php?rest_route=\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/planets.ucla.edu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6406"}],"version-history":[{"count":1,"href":"http:\/\/planets.ucla.edu\/index.php?rest_route=\/wp\/v2\/posts\/6406\/revisions"}],"predecessor-version":[{"id":6407,"href":"http:\/\/planets.ucla.edu\/index.php?rest_route=\/wp\/v2\/posts\/6406\/revisions\/6407"}],"wp:attachment":[{"href":"http:\/\/planets.ucla.edu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/planets.ucla.edu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6406"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/planets.ucla.edu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}