The table lists the spectral types for each of four stars.Which star in this table would have the highest surface temperature?

Name: The table lists the spectral types for each of four stars.Which star in this table would have the highest surface temperature?
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Question

Quizplus · Accepted Answer

Spectral types are classified from hottest to coolest as O, B, A, F, G, K, M. The star $ \xi $ Per is likely of a spectral type O or B, which are the hottest, indicating it has the highest surface temperature among the options.

The Table Lists the Spectral Types for Each of Four ξ \xi ξ

The Table Lists the Spectral Types for Each of Four $\xi$