midnightdq
先列这些:universe Spaceknown universeobservable universevisible universe total universeShape of the universeLarge-scale structure of the cosmos finite or infinite space-time continuumspaceship;spacecraft world outlook 宇宙观Cosmic latte - the color of the universe cosmic inflationcosmic microwave Cosmology Cosmos macrocosmos cosmologistastronomerastronautlight yearsgalaxy galaxy clustersMultiverse (Science, including Chaotic inflation theory, Bubble universe theory (sometimes just Bubble theory), Many-worlds interpretation )Parallel universe (fiction)Time travel Grandfather paradox Hubble's LawThe Absolute Time loop UFO Eternity Big bang theoryAlbert Einsteinsky"Big Crunch"string theory
