BBC地平线:来自太空的奇异信号

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  • Fordecadessomehavesuspectedthattheremightbeotherso… Fordecadessomehavesuspectedthattheremightbeothersoutthere,intelligentbeingscapableofcommunicatingwithus,evenvisitingourworld.Itmightsoundlikesciencefiction,buttodayscientistsfromacrosstheglobearescouringtheuniverseforsignalsfromextraterrestrials. In2006,husbandandwifeteamDuncanLorimerandMauraMcLaughlindiscoveredanenigmaticsignalfromspace,knownasafastradioburst.Itwasapulseofradiationsobright,itdidn'tappeartobecausedbyanyknownobjectintheuniverse.Explanationsrangedfromcollidingneutronstarstocommunicationsignalsfromanaliencivilisationfarmoreadvancedfromourown. ScientistshavebeensearchingthecosmosforstrangesignalsliketheLorimerBurstformorethan50years.Thefilmendswithscientists'latestsearchforextraterrestialintelligence.HorizonobtainedexclusiveaccesstofilmresearchersattheGreenBankTelescopesearchingforradiosignalsfromTabby'sStar,astarsomysteriousthatsomescientistsbelieveitmightbesurroundedbyaDysonSphere,avastenergycollectorbuiltbyadvancedaliens.

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