8:14 Big Rip vs Big Crunch vs Big Freeze : Which The Most Possible? AstroTime 2.3K views - 2 years ago
14:55 The Big Crunch: The moment the universe returns to being a singularity AstroTime 2.5K views - 2 years ago
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10:45 Where the true edge of the universe? | Four dimensions explained | AstroTime 861 views - 2 years ago
9:19 Does multiverse really exist? | Five theories of the multiverse | AstroTime 298 views - 2 years ago
5:45 What happens if we fall into a black hole? Will it go to another universe? AstroTime 122 views - 2 years ago