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Sunday, March 25, 2012

Universe wide image

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New wide image of universe called unprecedented
March 22, 2012 Courtesy of the Science & Technology Facilities Council of the U.K.
and World Science staff
As­tro­no­mers have re­leased a pan­o­ram­ic im­age of the uni­verse that they call un­prec­e­dent­ed in scope.On this col­or com­pos­ite of the Ul­tra­V­ISTA im­age (click for full-screen view), the large white ob­jects with haloes are fore­ground stars in our own Milky Way Gal­axy. A host of oth­er ga­lax­ies can be seen, from rel­a­tively near­by ga­lax­ies which ap­pear large enough to dis­cern their struc­tures, to the most dis­tant ga­lax­ies which ap­pear as red dots in this im­age. (Cred­it: Ul­tra­V­ISTA/Terapix/CNRS/CASU )
The im­age is the most de­tailed pic­ture tak­en of a re­gion large enough to be rep­re­sent­a­tive of the dis­tant uni­verse, ac­cord­ing to the re­search­ers be­hind the work. Ga­lax­ies seen at vast dis­tances are al­so seen as they were long ago, since their light takes time to trav­el.“Un­til re­cently our view back to the first ep­och of gal­axy forma­t­ion has been lim­it­ed to ti­ny, ‘pencil-beam’ im­ages made with the Hub­ble Space Tele­scope,” said James Dun­lop of the Uni­vers­ity of Ed­in­burgh in Scot­land, who led the sci­en­tif­ic team. “Now VIS­TA, with its pan­o­ram­ic im­ag­ing ca­pa­bil­ity, is pro­vid­ing us with the first view of truly rep­re­sent­a­tive re­gions of the young Uni­verse.”
VIS­TA is the Vis­i­ble and In­fra­red Sur­vey Tel­e­scope for As­tron­o­my, a new in­stru­ment lo­cat­ed at the Pa­ra­nal Ob­serv­a­to­ry in Chil­e. The im­age was tak­en us­ing near-infrared light, a type of light some­what less en­er­get­ic than what the hu­man eye can de­tect, al­though it can be con­vert­ed to vis­i­ble form in im­ages./.../

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