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ivolga24 [154]
4 years ago
10

When we say that a galaxy is 5000 light years from earth we are actually describing

Biology
1 answer:
Flura [38]4 years ago
5 0
The amount of time it takes for the light from that certain galaxy to reach the Earth. The average speed of light (light speed) is 299 792 458 m/s. So it would take about 5000 years for the light from that certain galaxy to reach Earth. So doing simple math (299792458 x 5000) that certain galaxy is about 1,498,962,290,000 miles away from the Earth. Sorry for going on a bit of a rant I just got out of hand. I hope this helped in some way.
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