T Tauri stars are at what stage of stellar evolution?
A) early phase, just after the formation of the protostar
B) just after the red giant phase
C) post-main sequence or later phase
D) main sequence or "middle age"
Correct Answer:
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Q57: What is the relationship between stellar mass
Q58: In the Hertzsprung-Russell diagram, how does the
Q59: Some protostars, when they evolve onto the
Q60: Some protostars, when they evolve onto the
Q61: Those interior regions of a protostar that
Q63: A T Tauri star is:
A)an intermediate mass
Q64: A Herbig-Haro object is:
A)the gas cloud produced
Q65: Herbig-Haro objects are:
A)dense dust clouds surrounding and
Q66: Herbig-Haro objects, bright, variable regions within nebulae,
Q67: Typical jets of bipolar outflow last for:
A)10
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