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                          北京pk拾全天精准计划

                          2019-05-09 01:55:11 来源:腾讯新闻腾讯网

                          北京pk拾计划在线计划

                          This female grad student made black hole image possible#标题分割#KatieBoumansmileswhiletheimageoftheblackholeisprocessed./MITPhotoItwasthealgorithmcreatedbyafemalegraduatestudentthatmadethefirst-everimageofablackholepossible.ForKatieBouman,aMassachusettsInstituteofTechnologypost-doctoralstudent,heryearsofworkhelpedscientistsstitchtogetherthesnap.TheimagerevealstheblackholeatthecenterofMessier,amassivegalaxyinthenearbyVirgogalaxycluster.Theblackholeislocated55millionlight-yearsfromEarthandhasamass6.5billiontimesthatoftheSun.Theglowingringsurroundingthe“eventhorizon”aroundablackholeisnotexactlyaphoto,butpixelspiecedtogetherusingthealgorithm.Scientistsclaimthattheimagewouldhelpthemprobedeeperintomanytheories.HeinoFalckeofRadboudUniversityexplained,ifimmersedinabrightregion,likeadiscofglowinggas,weexpectablackholetocreateadarkregionsimilartoashadow—somethingpredictedbyEinstein'sgeneralrelativitythatwe'veneverseenbefore.BoumancreatedthealgorithmwhenshewasagraduatestudentatthecomputerscienceandartificialintelligencecenterofMIT.Thealgorithmstitchedtogetherdatacollectedfromradiotelescopesscatteredaroundtheglobe,throughacollaboration,calledtheEventHorizonTelescope(EHT).TheEHTlinkstelescopesaroundtheglobetoformanunprecedentedEarth-sizedvirtualtelescope.ItoffersscientistsanewwaytostudythemostextremeobjectsintheUniversepredictedbyEinstein'sgeneralrelativitytheory.“It'sincrediblyexciting.Thegoalwastoseethisthingthatwasessentiallyimpossibletosee,aboutthesizeofanorangeontheMoon,”BoumantoldtheBostonGlobe.

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