Ittook100years,butfinally,scientistsprovedAlbertEinstei...
問題詳情：Ittook100years,butfinally,scientistsprovedAlbertEinstein’stheorythatgravitationalwavesexist.ThewaveswerepredictedaspartofEinstein’sgeneraltheoryofrelativitynearly100yearsago.Itwasthetheoryof...