The hottest type of stars are called

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(C) The classification of stars based on their surface temperature is known as the Harvard spectral classification system. In this system,stars are ca

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$O$ type

Vedclass · Answer

(C) The classification of stars based on their surface temperature is known as the Harvard spectral classification system. In this system,stars are categorized into types $O, B, A, F, G, K,$ and $M$. $O$ type stars are the hottest,with surface temperatures exceeding $30,000 \ K$. $M$ type stars are the coolest,with surface temperatures below $3,700 \ K$. Therefore,the correct answer is $O$ type.

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