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A cluster starts out with collapsing clouds of higher and lower masses. The HR d

ID: 160904 • Letter: A

Question

A cluster starts out with collapsing clouds of higher and lower masses. The HR diagram is made of this cluster when it is only a few million years old. The HR diagram shows ............. on.the bright blue part of the main sequence and the ................................. to the right of the main sequence.

            A            the lower mass stars; higher mass protostars

            B            the higher mass stars; lower mass protostars

            C            the lower mass proto-stars; higher mass stars.

            D            the higher mass proto-stars; lower mass stars

Explanation / Answer

(C) the lower mass proto-stars ; higher mass stars.

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