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babunello [35]
3 years ago
14

What do we mean by the observable universe?

Physics
1 answer:
mote1985 [20]3 years ago
4 0
The observable universe<span> is a spherical region of the </span>Universe, <span>comprising all matter that can be observed from Earth at the present time, because light and other signals from these objects have had time to reach Earth since the beginning of the cosmological expansion.


</span>
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