{"id":772,"date":"2017-04-05T09:26:47","date_gmt":"2017-04-05T09:26:47","guid":{"rendered":"http:\/\/www.brainsmatter.com\/?p=772"},"modified":"2019-09-10T11:49:48","modified_gmt":"2019-09-10T11:49:48","slug":"181-anant-tanna-searching-for-invisible-galaxies","status":"publish","type":"post","link":"https:\/\/www.brainsmatter.com\/?p=772","title":{"rendered":"181 &#8211; Anant Tanna &#8211; Searching for Invisible Galaxies"},"content":{"rendered":"<p>In today&#8217;s episode I speak to Anant Tanna from the University of New South Wales School of Physics, about his research on looking for invisible galaxies.  During our conversation, we cover:<\/p>\n<p>&#8211; What are invisible galaxies?<br \/>\n&#8211; How do we find distant galaxies that we can&#8217;t see via their own light?<br \/>\n&#8211; What are redshift distances?<br \/>\n&#8211; How does looking at neutral hydrogen emissions help show distances of galaxies?<br \/>\n&#8211; How are multiple galaxies detected along the same line of sight?<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/ia601403.us.archive.org\/14\/items\/ituneslogo_201909\/audio.jpg\"><a href=\"http:\/\/www.predictabledata.com\/projects\/brainsmatter\/BM181-AnantTannaHydrogen.mp3\">Download MP3 of Ep 181<\/a><\/p>\n<p><a href=\"https:\/\/www.paypal.com\/cgi-bin\/webscr?cmd=_xclick&amp;business=brainsmatterinbox%40gmail%2ecom&amp;no_shipping=2&amp;no_note=1&amp;tax=0&amp;currency_code=USD&amp;bn=PP%2dDonationsBF&amp;charset=UTF%2d8\"><img decoding=\"async\" src=\"https:\/\/www.paypal.com\/en_US\/i\/btn\/x-click-but04.gif\" alt=\"Donate via Paypal\"><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In today&#8217;s episode I speak to Anant Tanna from the University of New South Wales School of Physics, about his research on looking for invisible galaxies. During our conversation, we cover: &#8211; What are invisible galaxies? &#8211; How do we find distant galaxies that we can&#8217;t see via their own light? &#8211; What are redshift [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4,16,19,20],"tags":[],"_links":{"self":[{"href":"https:\/\/www.brainsmatter.com\/index.php?rest_route=\/wp\/v2\/posts\/772"}],"collection":[{"href":"https:\/\/www.brainsmatter.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.brainsmatter.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.brainsmatter.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.brainsmatter.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=772"}],"version-history":[{"count":3,"href":"https:\/\/www.brainsmatter.com\/index.php?rest_route=\/wp\/v2\/posts\/772\/revisions"}],"predecessor-version":[{"id":925,"href":"https:\/\/www.brainsmatter.com\/index.php?rest_route=\/wp\/v2\/posts\/772\/revisions\/925"}],"wp:attachment":[{"href":"https:\/\/www.brainsmatter.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=772"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.brainsmatter.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=772"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.brainsmatter.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}