UNIVERSE
CELESTIAL MECHANICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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When we look out into space, we ____
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look back in time.
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stare into a void of nothing.
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see objects as they are.
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see only the stars of far off galaxies.
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Explanation:
Detailed explanation-1: -Whenever we observe a distant planet, star or galaxy, we are seeing it as it was hours, centuries or even millennia ago. This is because light travels at a finite speed (the speed of light) and given the large distances in the Universe, we do not see objects as they are now, but as they were when the light was emitted.
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