34E-46-How Far Is Forever
Jul 23, 2019 ·
2m
When you look out in space you are also looking back in time. Objects in space are older than they appear to us; the Moon more than a second ,...
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When you look out in space you are also looking back in time. Objects in space are older than they appear to us; the Moon more than a second , Mars a minute and a half, and the Great Galaxy in Andromeda appears as it was 3 million years ago. This situation is due to the fact that it takes time for light to travel the great distances in the Universe.
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| Author | Dr. Al Grauer |
| Website | - |
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