A protostar is not _____.
A) producing energy
B) collapsing
C) in hydrostatic equilibrium
D) heating up
Correct Answer:
Verified
Q11: A protostar becomes a main sequence star
Q12: The typical temperature of an interstellar cloud
Q13: Protostars are observable by radio telescopes but
Q14: A _ is a region where jets
Q15: In the H-R diagram a T Tauri
Q17: Protostars initially do not experience hydrogen fusion.
Q18: Because protostars are at a low temperature
Q19: What is a T Tauri star?
A) any
Q20: A star enters the main sequence when
Q21: What makes a gas cloud contract to
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