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The Sun is an almost perfectly symmetric yellow dwarf star [spectral class G2V] which is at the center of our Solar System.

1 vote

Calculation of the temperature of the Sun's core? Why is this value so low?

HINT: to first approximation it will depend on the ratio of the optical thickness of the sun to the radius. …
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5 votes

What if we throw many buckets of water into the Sun?

More stuff will make the inside of the sun more dense from gravity alone, plus the hydrogen is fuel and will contribute to the sun burning them in the thermonuclear fusion process. … already at that point than the energy required to boil that water to the temperature of the sun. …
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