{"id":180,"date":"2011-06-29T13:17:10","date_gmt":"2011-06-29T17:17:10","guid":{"rendered":"https:\/\/astronomy.snjr.net\/blog\/?p=180"},"modified":"2012-01-25T14:04:42","modified_gmt":"2012-01-25T19:04:42","slug":"wallpaper-wednesday-11","status":"publish","type":"post","link":"https:\/\/astronomy.snjr.net\/blog\/?p=180","title":{"rendered":"Wallpaper Wednesday"},"content":{"rendered":"<div id=\"attachment_181\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.gemini.edu\/gallery\/v\/Posters-and-Prints\/album10\/20100521_gn_fe_tl_startrails_laser.jpg.html\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-181\" class=\"size-medium wp-image-181\" title=\"Laser and Star Trails over North Gemini\" src=\"https:\/\/astronomy.snjr.net\/blog\/wp-content\/uploads\/2011\/06\/20100521_gn_fe_tl_startrails_laser-300x187.jpg\" alt=\"Laser and Star Trails over North Gemini\" width=\"300\" height=\"187\" srcset=\"https:\/\/astronomy.snjr.net\/blog\/wp-content\/uploads\/2011\/06\/20100521_gn_fe_tl_startrails_laser-300x187.jpg 300w, https:\/\/astronomy.snjr.net\/blog\/wp-content\/uploads\/2011\/06\/20100521_gn_fe_tl_startrails_laser.jpg 640w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-181\" class=\"wp-caption-text\">Laser and Star Trails over Gemini North. Photo credit: Gemini Observatory\/Joy Pollard<\/p><\/div>\n<p>Today&#8217;s wallpaper features Gemini North, the Mauna Kea branch of the\u00a0<a href=\"http:\/\/www.gemini.edu\/\" target=\"_blank\">Gemini Observatory<\/a>. \u00a0Like Gemini South on the summit of Cerro Pachon\u00a0in Chile, the observatory at Gemini North houses an <a href=\"http:\/\/www.gemini.edu\/sciops\/telescopes-and-sites\" target=\"_blank\">8.1-meter diameter optical\/infrared telescope<\/a>. Together, North and South are capable of surveying the entire night sky with an <a href=\"http:\/\/www.gemini.edu\/sciops\/telescopes-and-sites?%20q=node\/10002\" target=\"_blank\">array of instruments<\/a>.<\/p>\n<p>In addition to star trails, the image above shows the trace the Laser Guide Star (the\u00a0LGS creates an \u201cartificial star\u201d which is used as a reference source for the \u00a0adaptive optics systems of the telescope&#8217;s various instruments) created on May 21, 2010. \u00a0If you&#8217;re looking at the high-res wallpaper, you can see a similar LGS trace from the <a href=\"http:\/\/www.keckobservatory.org\/\" target=\"_blank\">W. M. Keck Observatory<\/a> in the lower left hand corner of the photo. The bright, wide streak at the far left of the image is the moon&#8217;s trail. Several other Mauna Kea observatories and telescopes are also visible in the high-res image. \u00a0From left to right, they are: the <a href=\"http:\/\/www.naoj.org\/\" target=\"_blank\">Subaru Telescope<\/a> (looks like a tube set on end), Keck (the twin domes), <a href=\"http:\/\/irtfweb.ifa.hawaii.edu\/information\/about.php\" target=\"_blank\">NASA IRTF<\/a> (behind which can be seen the peak of Haleakal\u0101 on Maui, rising from the clouds), and <a href=\"http:\/\/www.cfht.hawaii.edu\/\" target=\"_blank\">CFHT<\/a> (just behind Gemini North).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Today&#8217;s wallpaper features Gemini North, the Mauna Kea branch of the\u00a0Gemini Observatory. \u00a0Like Gemini South on the summit of Cerro Pachon\u00a0in Chile, the observatory at Gemini North houses an 8.1-meter diameter optical\/infrared telescope. Together, North and South are capable of surveying the entire night sky with an array of instruments. In addition to star trails, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27,8,11],"tags":[],"class_list":["post-180","post","type-post","status-publish","format-standard","hentry","category-gemini","category-observatories","category-wallpaper"],"_links":{"self":[{"href":"https:\/\/astronomy.snjr.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/180","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/astronomy.snjr.net\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/astronomy.snjr.net\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/astronomy.snjr.net\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/astronomy.snjr.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=180"}],"version-history":[{"count":0,"href":"https:\/\/astronomy.snjr.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/180\/revisions"}],"wp:attachment":[{"href":"https:\/\/astronomy.snjr.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=180"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astronomy.snjr.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=180"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astronomy.snjr.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=180"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}