Science - Physics Solar system

Physics
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How big is the sun?
Nov 6th, 2014

The Sun is nearly a perfect sphere. Its equatorial diameter and its polar diameter differ by only 6.2 miles (10 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).

The total volume of the sun is 1.4 x 1027 cubic meters. About 1.3 million Earths could fit inside the sun. The mass of the sun is 1.989 x 1030kilograms, about 333,000 times the mass of the Earth. The sun contains 99.8 percent of the mass of the entire solar system

Reference:

http://www.space.com/17001-how-big-is-the-sun-size-of-the-sun.html


Nov 6th, 2014

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