what is the size of our universe ?
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Explanation:
The proper distance—the distance as would be measured at a specific time, including the present—between Earth and the edge of the observable universe is 46 billion light-years (14 billion parsecs), making the diameter of the observable universe about 93 billion light-years (28 billion parsecs).
Diameter: Unknown. Diameter of the observable universe: 8.8×1026 m (28.5 Gpc or ...
Mass (ordinary matter): A
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