how does light travel across the universe to earth?

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how does light travel across the universe to earth?

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Nem 5 years 2021-08-10T14:02:14+00:00 1 Answers 17 views 0

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  1. thuhuong
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    2021-08-10T14:03:26+00:00
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    Light travels at the speed of 186,000 miles per second. If you were to travel around the earth it would be 7.5 times in a second

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