Which statement about the stages of starbirth is false?
A) By stage 7, the star has reached the main sequence.
B) Nuclear reactions begin in the core by stage 4.
C) At stage 1, only the cloud exists.
D) By stage 3, the star has formed a photosphere.
E) The T- Tauri wind is prevalent in stage 5.
Correct Answer:
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A)
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