The Sun is classified as a G2 V star, with G2 standing for the second hottest stars of the yellow G class-of surface temperature about 5,800 kelvins (K)-and the V representing a main sequence, or dwarf, star, the typical star for this temperature class. The Sun is the source of an enormous amount of energy, a portion of which provides Earth with the light and heat necessary to support life. It is the dominant body of the system, constituting more than 99 percent of its entire mass. Sun, star around which Earth and the other components of the solar system revolve. SpaceNext50 Britannica presents SpaceNext50, From the race to the Moon to space stewardship, we explore a wide range of subjects that feed our curiosity about space!.Learn about the major environmental problems facing our planet and what can be done about them!
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