{"id":2606,"date":"2015-02-11T10:30:03","date_gmt":"2015-02-11T10:30:03","guid":{"rendered":"http:\/\/revoscience.com\/en\/?p=2606"},"modified":"2015-02-11T10:30:03","modified_gmt":"2015-02-11T10:30:03","slug":"hubble-sees-a-smiling-lens","status":"publish","type":"post","link":"https:\/\/www.revoscience.com\/en\/hubble-sees-a-smiling-lens\/","title":{"rendered":"Hubble Sees A Smiling Lens"},"content":{"rendered":"<p style=\"text-align: justify;\"><a href=\"http:\/\/revoscience.com\/en\/wp-content\/uploads\/2015\/02\/15861603283_3579db3fc6_o.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2607\" src=\"http:\/\/revoscience.com\/en\/wp-content\/uploads\/2015\/02\/15861603283_3579db3fc6_o.jpg\" alt=\"A smiling lens\" width=\"946\" height=\"933\" title=\"\" srcset=\"https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/02\/15861603283_3579db3fc6_o.jpg 946w, https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/02\/15861603283_3579db3fc6_o-300x295.jpg 300w\" sizes=\"auto, (max-width: 946px) 100vw, 946px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Description<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">In the center of this image, it is the galaxy cluster\u00a0SDSS J1038+4849 which looks like as if it is smilling. This image was\u00a0taken with the NASA\/ESA Hubble Space Telescope.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">We\u00a0can make out its two orange eyes and white button nose. In the case of this \u201chappy face\u201d, the two eyes are very bright galaxies and the misleading smile lines are actually arcs caused by an effect known as strong gravitational lensing.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Galaxy clusters are the most massive structures in the Universe and exert such a powerful gravitational pull that they warp the spacetime around them and act as cosmic lenses which can magnify, distort and bend the light behind them. This phenomenon, crucial to many of Hubble\u2019s discoveries, can be explained by Einstein\u2019s theory of general relativity.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">In this special case of gravitational lensing, a ring \u2014 known as an Einstein Ring \u2014 is produced from this bending of light, a consequence of the exact and symmetrical alignment of the source, lens and observer and resulting in the ring-like structure we see here.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Hubble has provided astronomers with the tools to probe these massive galaxies and model their lensing effects, allowing us to peer further into the early Universe than ever before. This object was studied by Hubble\u2019s Wide Field and Planetary Camera 2 (WFPC2) and Wide Field Camera 3 (WFC3) as part of a survey of strong lenses.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">A version of this image was entered into the Hubble\u2019s Hidden Treasures image processing competition by contestant Judy Schmidt.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Description In the center of this image, it is the galaxy cluster\u00a0SDSS J1038+4849 which looks like as if it is smilling. This image was\u00a0taken with the NASA\/ESA Hubble Space Telescope.\u00a0 We\u00a0can make out its two orange eyes and white button nose. In the case of this \u201chappy face\u201d, the two eyes are very bright galaxies [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":2607,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[],"class_list":["post-2606","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-feature"],"featured_image_urls":{"full":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/02\/15861603283_3579db3fc6_o.jpg",946,933,false],"thumbnail":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/02\/15861603283_3579db3fc6_o-150x150.jpg",150,150,true],"medium":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/02\/15861603283_3579db3fc6_o-300x295.jpg",300,295,true],"medium_large":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/02\/15861603283_3579db3fc6_o.jpg",750,740,false],"large":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/02\/15861603283_3579db3fc6_o.jpg",750,740,false],"1536x1536":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/02\/15861603283_3579db3fc6_o.jpg",946,933,false],"2048x2048":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/02\/15861603283_3579db3fc6_o.jpg",946,933,false],"ultp_layout_landscape_large":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/02\/15861603283_3579db3fc6_o.jpg",811,800,false],"ultp_layout_landscape":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/02\/15861603283_3579db3fc6_o.jpg",578,570,false],"ultp_layout_portrait":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/02\/15861603283_3579db3fc6_o.jpg",600,592,false],"ultp_layout_square":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/02\/15861603283_3579db3fc6_o.jpg",600,592,false],"newspaper-x-single-post":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/02\/15861603283_3579db3fc6_o.jpg",497,490,false],"newspaper-x-recent-post-big":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/02\/15861603283_3579db3fc6_o.jpg",365,360,false],"newspaper-x-recent-post-list-image":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/02\/15861603283_3579db3fc6_o.jpg",66,65,false],"web-stories-poster-portrait":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/02\/15861603283_3579db3fc6_o.jpg",640,631,false],"web-stories-publisher-logo":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/02\/15861603283_3579db3fc6_o.jpg",96,96,false],"web-stories-thumbnail":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/02\/15861603283_3579db3fc6_o.jpg",150,148,false]},"author_info":{"info":["Amrita Tuladhar"]},"category_info":"<a href=\"https:\/\/www.revoscience.com\/en\/category\/feature\/\" rel=\"category tag\">Feature<\/a>","tag_info":"Feature","comment_count":"0","_links":{"self":[{"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/posts\/2606","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/comments?post=2606"}],"version-history":[{"count":0,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/posts\/2606\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/media\/2607"}],"wp:attachment":[{"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/media?parent=2606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/categories?post=2606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/tags?post=2606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}