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Chemistry, 04.11.2020 05:00 kcameronanderso

The closest star, Proxima Centauri, is 40,208,000,000,000,000 m away from us. How old is the light that we see from the star?

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The closest star, Proxima Centauri, is 40,208,000,000,000,000 m away from us. How old is the light t...

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