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A comment on If the universe is 13.8B years old, how can we see 46B light years away? (2018). Parent comment

Re:If the universe is 13.8B years old, how can we see 46B li... by saagarjha on Saturday December 07, 2019 @08:46PM (#21733885)
It's the fabric of spacetime that's expanding. Nothing physical is moving and thus no energy is necessary.
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