{"id":117,"date":"2010-09-30T15:41:43","date_gmt":"2010-09-30T07:41:43","guid":{"rendered":"http:\/\/stuif.com\/blog\/?p=117"},"modified":"2012-09-14T15:45:35","modified_gmt":"2012-09-14T07:45:35","slug":"117","status":"publish","type":"post","link":"https:\/\/stuif.com\/blog\/?p=117","title":{"rendered":"New extrasolar planet has been discovered"},"content":{"rendered":"<p>Just two days after I had published my first post about life in the Universe, it was announced by two American astronomers, Vogt and Butler, that a new extrasolar planet has been discovered, the first one where life <strong>might<\/strong> be possible. See for example this <a href=\"http:\/\/www.nytimes.com\/2010\/09\/30\/science\/space\/30planet.html\">New York Times article<\/a>:<\/p>\n<p>Reason for me to send publish an extra post, before I compose part two of the Great Debate post..<\/p>\n<p><a href=\"http:\/\/en.wikipedia.org\/wiki\/Gliese_581\">Gliese 581<\/a> is a so-called red dwarf star, located at a distance of 20 light-year from the Sun.<br \/>\nIn itself a smallish nondescript star in our Milky Way, but interesting because it has been found that a number of planets orbit this star.<br \/>\nFour were known already, two more have been discovered now.<br \/>\nI have roughly given their position, size is not to scale. (keep in mind that the distance scale is logarithmic)<\/p>\n<p><a href=\"https:\/\/stuif.com\/blog\/wp-content\/uploads\/2012\/09\/Gliese-581d-habitable-BEST1.jpg\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"118\" data-permalink=\"https:\/\/stuif.com\/blog\/?attachment_id=118\" data-orig-file=\"https:\/\/stuif.com\/blog\/wp-content\/uploads\/2012\/09\/Gliese-581d-habitable-BEST1.jpg\" data-orig-size=\"800,545\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"Gliese 581d habitable BEST1\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/stuif.com\/blog\/wp-content\/uploads\/2012\/09\/Gliese-581d-habitable-BEST1-300x204.jpg\" data-large-file=\"https:\/\/stuif.com\/blog\/wp-content\/uploads\/2012\/09\/Gliese-581d-habitable-BEST1.jpg\" tabindex=\"0\" role=\"button\" class=\"alignnone size-full wp-image-118\" title=\"Gliese 581d habitable BEST1\" src=\"https:\/\/stuif.com\/blog\/wp-content\/uploads\/2012\/09\/Gliese-581d-habitable-BEST1.jpg\" alt=\"\" width=\"800\" height=\"545\" srcset=\"https:\/\/stuif.com\/blog\/wp-content\/uploads\/2012\/09\/Gliese-581d-habitable-BEST1.jpg 800w, https:\/\/stuif.com\/blog\/wp-content\/uploads\/2012\/09\/Gliese-581d-habitable-BEST1-300x204.jpg 300w, https:\/\/stuif.com\/blog\/wp-content\/uploads\/2012\/09\/Gliese-581d-habitable-BEST1-440x300.jpg 440w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n<p>For comparison the Sun and some of its planets are also shown.<br \/>\nThe blue band is the habitable zone, not too cold, not too hot, assuming water-based life.<br \/>\nExcitement is about planet g, right in the middle of Gliese&#8217;s habitable zone. This is a first. It has a mass of about 3 earth masses, and orbits Gliese in 37 days.<\/p>\n<p>Only a pity, that the planet, like its 5 siblings, is tidally locked to Gliese, meaning that it always faces the same side to its sun (same as our moon is tidally locked to Earth). So it has a cold side and a hot side. If life exists there, it would probably be in the twilight zone<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Just two days after I had published my first post about life in the Universe, it was announced by two American astronomers, Vogt and Butler, that a new extrasolar planet has been discovered, the first one where life might be &hellip; <a href=\"https:\/\/stuif.com\/blog\/?p=117\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[8,7],"tags":[],"class_list":["post-117","post","type-post","status-publish","format-standard","hentry","category-astronomy","category-science"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/s2LqIR-117","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/stuif.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/117","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stuif.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stuif.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stuif.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/stuif.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=117"}],"version-history":[{"count":2,"href":"https:\/\/stuif.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/117\/revisions"}],"predecessor-version":[{"id":120,"href":"https:\/\/stuif.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/117\/revisions\/120"}],"wp:attachment":[{"href":"https:\/\/stuif.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stuif.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=117"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stuif.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}