how big is the sun in km?
How big is the biggest sun?
VY Canis Majoris, ranging from 1,300 to 1,540 solar radii. This red hypergiant star was previously estimated to be 1,800 to 2,200 solar radii, but that size put it outside the bounds of stellar evolutionary theory. New measurements brought it down to size. (Some sources still list it as the largest star.) Jul 26, 2018
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How big is the sun in comparison to the earth?
It holds 99.8 percent of the solar system's mass and is roughly 109 times the diameter of the Earth — about one million Earths could fit inside the sun. Nov 14, 2017
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How large is the sun in KM?
The mean radius of the sun is 432,450 miles (696,000 kilometers ), which makes its diameter about 864,938 miles (1.392 million km ). You could line up 109 Earths across the face of the sun. The sun's circumference is about 2,713,406 miles (4,366,813 km ). Nov 1, 2017
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