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Q.

What is the present temperature of the sun ?

Asked by Zane, 11 Apr '10 04:46 pm
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Answers (2)

 
1.

The Sun is the star at the center of the Solar System. It has a diameter of about 1,392,000 kilometers (865,000 mi) (about 109 Earths), and its mass (about 2 1030 kilograms, 330,000 times that of Earth) accounts for about 99.86% of the total mass of the Solar System; the remainder consists of the planets (including Earth), dwarf planets, satellites, small Solar System bodies and dust in orbit.[10] About three-quarters of the Sun's mass consists of hydrogen, while the rest is mostly helium. Less than 2% consists of other elements, including iron, oxygen, carbon, neon, and others.[11]

The Sun's color is white, although from the surface of the Earth it may appear yellow because of atmospheric scattering.[12] Its stellar classification, based on spectral class, is G2V, and is informally designated a yellow star, because the majority of its radiation is in the yellow-green portion of the visible spectrum.[13] In this spectral class label, G2 indicates its surface temperature of approx ...more
Answered by jameel ahmed, 17 May '10 12:41 pm

 
  
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2.

5436 c
Answered by MASUM, 11 Apr '10 04:44 pm

 
  
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