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How many atoms are in the universe?

Updated: 3/25/2023
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Angus Fairford

Lvl 3
1y ago

Best Answer

The visible universe is estimated to contain between 1078 and 1080 atoms.

(One estimate at the higher end of the range is 4 x 1079.)

This is the estimated number of atoms in the observableuniverse, but since we do not know the absolute size of the universe, we cannot be certain.

(Most of the matter in the universe is still hydrogen.)

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Sherwood Ritchie

Lvl 13
1y ago
This answer is:
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Angus Fairford

Lvl 1
11mo ago
Thanks!
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Angus Fairford

Lvl 1
11mo ago
Although do you mean ten to the power of 79 or 1079?

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