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