Is 0.0000000010000280 megatonnes as heavy as The Sun?
It's about 0.0000000000000000000000000000005 times as heavy as The Sun
The weight of The Sun is about 2,000,000,000,000,000,000,000.000000000000000000000000 megatonnes.
The sun has a mass of 1,999,999,999,999,999,966,445,568.000000000000000000000000000 megatonnes which represents 99.9% of the solar system's total mass. 98.7% of the sun's mass consists of hydrogen and helium — respectively the lightest and second-lightest elements in the universe.
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