In
astronomy, a G V star is a
main-sequence star of
spectral type G and luminosity class V. Such a star, which can also be called a yellow dwarf, is small (about 0.8 to 1.0
solar masses) and has a
surface temperature of between 5,300 and 6,000
K., Tables VII, VIII. Like other
main-sequence stars, a G V star is in the process of converting
hydrogen to
helium in its core by means of
nuclear fusion. Our
Sun is the most well-known (and most visible) example of a G V star. Each second, it fuses approximately 600 million
tons of
hydrogen to
helium, converting about 4 million tons of
matter to
energy.
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