ur Universe is huge. In each and every direction on the sky, powerful telescopes observe galaxies whose light took more than 10 billion years to arrive at Earth. But wait — if we receive such ancient light from two opposite directions, and if the Big Bang happened ‘just’ 13.8 billion years ago, does that mean that the Universe is expanding faster than light?
Does the Universe expand faster than light?
Jan 19, 2023
2 minutes
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