{"id":205917,"date":"2013-06-16T18:00:00","date_gmt":"2013-06-16T22:00:00","guid":{"rendered":"7f277d81b153171f71515af998bc3961"},"modified":"2013-06-16T18:00:00","modified_gmt":"2013-06-16T22:00:00","slug":"gaia-telescope","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=205917","title":{"rendered":"Gaia telescope"},"content":{"rendered":"<p>\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/videos\/2013\/06\/gaia_telescope\/12892933-1-eng-GB\/Gaia_telescope_small.png\" width=\"170\" height=\"96\" align=\"left\" hspace=\"8\" \/><\/p>\n<p>Gaia is a space telescope, or rather, two space telescopes. Its telescopes involve ten mirrors of different shapes and sizes to collect, focus and direct light into Gaia\u2019s science instruments for detection. <br \/>\nEach telescope has a large primary mirror with a collecting area of about 0.7 m^2. These have a rectangular shape to make the most efficient use of the limited space inside the spacecraft. Although these are small mirrors compared with many ground-based telescopes, Gaia has the supreme advantage of observing from space, where there is no atmospheric disturbance to blur the images. <br \/>\nGaia is just 3.5 m across (excluding the sunshade, which is about 10 m across). Three curved mirrors and three flat mirrors focus and repeatedly fold the light over a total distance of 35 m before it reaches the detectors. <br \/>Each of Gaia\u2019s three science instruments uses a set of digital detectors \u2013 charged coupled devices (CCDs) \u2013 to record the starlight falling onto them. Together Gaia\u2019s CCDs make the largest focal plane ever flown to space, a total of one billion pixels covering an area of 0.38 m^2.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/videos\/2013\/06\/gaia_telescope\/12892933-1-eng-GB\/Gaia_telescope_small.png\" width=\"170\" height=\"96\" align=\"left\" hspace=\"8\" \/><\/p>\n<p>Gaia is a space telescope, or rather, two space telescopes. Its telescopes involve ten mirrors of different shapes and sizes to collect, focus and direct light into Gaia\u2019s science instruments for detection. <br \/>\nEach telescope has a large primary mirror with a collecting area of about 0.7 m^2. These have a rectangular shape to make the most efficient use of the limited space inside the spacecraft. Although these are small mirrors compared with many ground-based telescopes, Gaia has the supreme advantage of observing from space, where there is no atmospheric disturbance to blur the images. <br \/>\nGaia is just 3.5 m across (excluding the sunshade, which is about 10 m across). Three curved mirrors and three flat mirrors focus and repeatedly fold the light over a total distance of 35 m before it reaches the detectors. <br \/>Each of Gaia\u2019s three science instruments uses a set of digital detectors \u2013 charged coupled devices (CCDs) \u2013 to record the starlight falling onto them. Together Gaia\u2019s CCDs make the largest focal plane ever flown to space, a total of one billion pixels covering an area of 0.38 m^2.<\/p>\n","protected":false},"author":5,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-205917","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-multimedia"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/205917","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=205917"}],"version-history":[{"count":0,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/205917\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=205917"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=205917"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=205917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}