简介：　　S7,Ep1　　8Jan.2019NightmaresofNeutronStars　　Neutronstarsarestrangeandviolentphenomenathatdefythelawsofphysics,andnewdiscoveriesrevealthatthesebizarrenightmaresarefarmoredeadlythanpreviouslybelieved,withthepowertodestroyplanetsandevenotherstars.　　　　WhenSupernovasStrikeS7,Ep2　　15Jan.2019WhenSupernovasStrike　　Supernovasaretheviolentdeathofgiantstars,andnewdiscoveriesrevealthatthesecataclysmiceventscreatetheelementsthatareessentialtoalllifeintheuniverse.　　　　TheInterstellarMysteriesS7,Ep3　　22Jan.2019TheInterstellarMysteries　　Discoveriesaboutinterstellarspace,thespacebetweentheuniverse'sstars,revealthatit'snotemptyandunremarkableaspreviouslythought,butfilledwithweirdobjectsandstrangephenomenathatmightholdthedarkestsecretsofthecosmos.　　　　HowBlackHolesMadeUsS7,Ep4　　29Jan.2019HowBlackHolesMadeUs　　Blackholesarenottheviolentmonsterspeoplethinktheyare,andnewdiscoveriesrevealthattheymighthavebeenessentialtocreatingstars,givinglight,andbuildingtheuniverseitself.　　　　SecretWorldofNebulasS7,Ep5　　5Feb.2019SecretWorldofNebulas　　Nebulasarethestrangestructuresofcosmicgasanddustwherestarsarebornanddie,andnewdiscoveriesrevealthesecretsofthesemysteriousplaces.　　　　DidtheBigBangReallyHappen?S7,Ep6　　12Feb.2019DidtheBigBangReallyHappen?　　NewdiscoveriesarecausingastronomerstoquestioniftheBigBangreallyhappened,andusingthelatestscience,theyinvestigateifitwasn'tjustthestartofouruniversebutmanymysteriousmultiverses.　　　　BattleoftheDarkUniverse.S7,Ep7　　19Feb.2019BattleoftheDarkUniverse.　　Darkmatteranddarkenergyarelockedinanepicbattleforcontrolofthecosmos,andthewinnerwilldeterminethefateoftheuniverse.Newdiscoveriesmightrevealwhichforcewillemergevictorious.　　　　HuntforAlienLifeS7,Ep8　　26Feb.2019HuntforAlienLife　　Thelatestdiscoveriessuggestthatwemightbeonthevergeofdiscoveringlifebeyondourplanet,andscientistsareinvestigatingifearth'slifebeganelsewhereintheuniverse,andwhetherweneedtoevolvetoknowforsure.　　　　FindingtheNewEarthS7,Ep9　　5Mar.2019FindingtheNewEarth　　Newdiscoverieshaverevealedthousandsofexoplanetsbeyondthesolarsystem.Someresembleearthenoughthatonecouldbeanewhomeforhumanity.Evenwithcutting-edgetechnology,findingtheperfectoneisthescientificchallengeoftheage.　　　　Cassini'sFinalSecretsS7,Ep10　　12Mar.2019Cassini'sFinalSecrets　　Fortwentyyears,NASA'sCassinispacecraftrevealedthestrangesecretsofSaturnuntilitvaporizedinitsatmosphereinablazeofglory.Buttodayitslegacyliveson,asfreshdatafromtheprobehelpsscientistsmakebrand-newdiscoveries.