Fourastronautshavetostay1000daysinaspacestationaroundEarthinordertoprovethatatriptoEuropa,oneofJupiter'smFourastronautshavetostay1000daysinaspacestationaroundEarthinordertoprovethatatriptoEuropa,oneofJupiter'smoon,ispossible.Theexperiencegoeswelluntilsomethinghappensonearth
更多