The approximate main-sequence lifetime of a star of spectral type O is
A) 10,000 years.
B) 3 million years.
C) 300 million years.
D) 10 billion years.
Answer: B
The approximate main-sequence lifetime of a star of spectral type O is
A) 10,000 years.
B) 3 million years.
C) 300 million years.
D) 10 billion years.
Answer: B