What specific classification defines the Sun as a G-type main-sequence star?
Answer
Yellow Dwarf
The Sun is scientifically classified as a G-type main-sequence star, which is commonly referred to as a Yellow Dwarf. This classification system categorizes stars based on their surface temperature and their current stage within the stellar life cycle. The G-type designation relates to its temperature profile, placing it in a specific spectral class, while the 'main-sequence' status indicates that it is currently in the primary phase of its life, steadily fusing hydrogen into helium in its core. This specific placement, often designated as G2V, provides crucial information about its expected longevity and overall characteristics when compared to the vast diversity of stars in the universe.
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