The lifetime of a star is dependent on its ______.
A) mass
B) volume
C) luminosity
D) temperature
Correct Answer:
Verified
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
Q22: What makes a star stop contracting?
A) Its
Q23: From what do stars form?
A) globular clusters
B)
Q25: The Sun will leave the main sequence
Q26: If a star is in hydrostatic equilibrium
A)
Q27: In which stage of a star's evolutionary
Q28: What characteristic do all stars on the
Q29: The main source of energy in main
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