Multiple Choice
What is a protostar?
A) A contracting sphere of gas produced by the collapse of an interstellar cloud with,as yet,no nuclear reactions occurring in its interior
B) A shell of gas left behind from the explosion of a star as a supernova
C) A small,cold,interstellar cloud before it collapses to become a star
D) A star near the end of its life,just before it explodes as a supernova
Correct Answer:
Verified
Correct Answer:
Verified
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