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A star with a radius of half that of the Sun and a spectral type of K2 would be called a yellow giant white supergiant orange dwarf red dwarf

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Final answer:

A star with a radius half that of the Sun and a spectral type of K2 would be considered a red dwarf, which are cooler and less luminous than most other stars.

Step-by-step explanation:

A star with a radius half that of the Sun and a spectral type of K2 would be classified as a type of red dwarf. A spectral type of K2 indicates that the star is cooler than our Sun and radiates mostly in the yellow-orange part of the spectrum. However, due to its small size, it would be classified as a red dwarf because dwarfs are categorized by their lower luminosity compared to other main-sequence stars with similar spectral characteristics.

Learn more about red dwarfs

User Joshua Kifer
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