{"id":171,"date":"2007-12-13T08:39:34","date_gmt":"2007-12-13T13:39:34","guid":{"rendered":"http:\/\/arxivblog.com\/?p=171"},"modified":"2007-12-13T08:39:34","modified_gmt":"2007-12-13T13:39:34","slug":"the-curious-case-of-the-cmb-cold-spot","status":"publish","type":"post","link":"http:\/\/arxivblog.com\/?p=171","title":{"rendered":"The curious case of the CMB cold spot"},"content":{"rendered":"<p>\u00a0<a href=\"http:\/\/arxivblog.com\/wp-content\/uploads\/2007\/12\/wmap-cold-spot.jpg\" title=\"WMAP cold spot\"><img decoding=\"async\" src=\"http:\/\/arxivblog.com\/wp-content\/uploads\/2007\/12\/wmap-cold-spot.thumbnail.jpg\" alt=\"WMAP cold spot\" \/><\/a><\/p>\n<p>Astrobods have found a cold spot in the the cosmic microwave background radiation. Now that&#8217;s a problem cos there shouldn&#8217;t be no cold spot up there. And this has set them a-frettin&#8217; and a-worryin&#8217; about how to explain it away.<\/p>\n<p>Today Pavel Neselsky at the Niels Boh Institute at the University of Copenhagen and a few chums have a go at understanding some of the statistical properties of the spot. The team says it cannot be explained away as an artifact and point to various interesting statitistical properties.<\/p>\n<p>That&#8217;s handy cos whatever exotic origin astrobods dream up to explain the cold spot must also have these statisitical properties.<\/p>\n<p>But for the moment, nobody is any the wiser about what causes that part of the sky to look so cold.<\/p>\n<p>If ya wanna take a look, it&#8217;s in the southern hemisphere (the galactic co-ordinates are b = \u221257\u25e6 and l = 209\u25e6) in the constellation of Eradinus towards the galaxy NGC 1232. And it&#8217;s huge: about 10\u25e6 across. That&#8217;s several times bigger than the moon. Ya can&#8217;t miss it!<\/p>\n<p>Ref: <a href=\"http:\/\/arxiv.org\/abs\/0712.1118\">arxiv.org\/abs\/0712.1118<\/a>: The Mystery of WMAP Cold Spot<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 Astrobods have found a cold spot in the the cosmic microwave background radiation. Now that&#8217;s a problem cos there shouldn&#8217;t be no cold spot up there. And this has set them a-frettin&#8217; and a-worryin&#8217; about how to explain it away. Today Pavel Neselsky at the Niels Boh Institute at the University of Copenhagen and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,7],"tags":[],"class_list":["post-171","post","type-post","status-publish","format-standard","hentry","category-hellraisin","category-stars-in-their-eyes"],"_links":{"self":[{"href":"http:\/\/arxivblog.com\/index.php?rest_route=\/wp\/v2\/posts\/171","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/arxivblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/arxivblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/arxivblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/arxivblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=171"}],"version-history":[{"count":0,"href":"http:\/\/arxivblog.com\/index.php?rest_route=\/wp\/v2\/posts\/171\/revisions"}],"wp:attachment":[{"href":"http:\/\/arxivblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/arxivblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=171"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/arxivblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}