{"id":146,"date":"2007-11-29T00:24:06","date_gmt":"2007-11-29T05:24:06","guid":{"rendered":"http:\/\/arxivblog.com\/?p=146"},"modified":"2007-11-29T00:24:22","modified_gmt":"2007-11-29T05:24:22","slug":"solar-system-heading-thataway","status":"publish","type":"post","link":"https:\/\/arxivblog.com\/?p=146","title":{"rendered":"Solar System heading thataway"},"content":{"rendered":"<p> <a href=\"http:\/\/arxivblog.com\/wp-content\/uploads\/2007\/11\/this-way.jpg\" title=\"This way\"><img decoding=\"async\" src=\"http:\/\/arxivblog.com\/wp-content\/uploads\/2007\/11\/this-way.thumbnail.jpg\" alt=\"This way\" \/><\/a><\/p>\n<p>Take a look at the cosmic microwave background radiation and ya can see a slight bias caused by the movement of the solar system.<\/p>\n<p>Now Christopher &#8220;He&#8217;s Alive&#8221; Gordon at the University of Oxford and a coupla pals  have worked out where we&#8217;re goin&#8217; by estimating our motion relative to the CMB using Type Ia supernovae standard candles.<\/p>\n<p>So which way are we headed? [Cue: drum roll] We&#8217;re a-trundlin and a-tootlin&#8217; along at a sedate 475 kilometers per second in the direction of the constellation of Sextans in the northern hemisphere. (In galactic co-ordinates that&#8217;s l=238 and b=45.)<\/p>\n<p>Ah&#8217;ve had a good look with the arXivblog binoculars and there don&#8217;t seem to be nothing of interest in that direction.    Disappointing really.<\/p>\n<p>Ref: <a href=\"http:\/\/arxiv.org\/abs\/0711.4196\">arxiv.org\/abs\/0711.4196<\/a>: Determining the Motion of the Solar System Relative to the Cosmic Microwave Background using Type Ia Supernovae<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Take a look at the cosmic microwave background radiation and ya can see a slight bias caused by the movement of the solar system. Now Christopher &#8220;He&#8217;s Alive&#8221; Gordon at the University of Oxford and a coupla pals have worked out where we&#8217;re goin&#8217; by estimating our motion relative to the CMB using Type Ia [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,7],"tags":[],"class_list":["post-146","post","type-post","status-publish","format-standard","hentry","category-secrets","category-stars-in-their-eyes"],"_links":{"self":[{"href":"https:\/\/arxivblog.com\/index.php?rest_route=\/wp\/v2\/posts\/146","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arxivblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/arxivblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/arxivblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/arxivblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=146"}],"version-history":[{"count":0,"href":"https:\/\/arxivblog.com\/index.php?rest_route=\/wp\/v2\/posts\/146\/revisions"}],"wp:attachment":[{"href":"https:\/\/arxivblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arxivblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=146"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arxivblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}