Protostars are slowly
A) expanding at the surface while the core contracts.
B) contracting and heating up.
C) heating up and expanding.
D) contracting and cooling.
Correct Answer:
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Q58: Which of these statements about open star
Q59: New stars are formed from
A) hot supernova
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Q61: An open cluster has
A) a few hundred
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A)
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Q68: Star formation takes place in
A) giant molecular
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