
How can the Universe expand faster than the speed of light?
Daniel and Kelly’s Extraordinary Universe
00:00
The Kilometer Is Now Longer. It's Not Still a Kilometer, Right?
The universe is expanding and the stuff that's really far away is moving faster than the speed of light. Special relativity doesn't really apply to things that are not in our inertial frame. So it's possible for these recession velocities to be faster than thespeed of light without breaking special relativity because space is expanding at the same time.
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