What is a T Tauri star?
A) any variable star
B) a red giant with a peculiar spectrum
C) any star found in the constellation of Taurus
D) a young star that exhibits variable light and outflowing gas
Correct Answer:
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Q14: A _ is a region where jets
Q15: In the H-R diagram a T Tauri
Q16: A protostar is not _.
A) producing energy
B)
Q17: Protostars initially do not experience hydrogen fusion.
Q18: Because protostars are at a low temperature
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)
Q24: The lifetime of a star is dependent
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