Multiple Choice
At what stage of evolution do T Tauri stars occur?
A) just as the collapsing cloud becomes luminous
B) when a protostar is on the verge of becoming a main sequence star
C) just prior to the protostar stage
D) just after the planetary nebula is expelled
E) after the star has established itself as a main sequence star
Correct Answer:
Verified
Correct Answer:
Verified
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