Multiple Choice
-The Sun has an expected main-sequence lifetime of about 10 billion years. About how long would a 2-solar-mass star stay on the main sequence?
A) 10 million years
B) 1 billion years
C) 10 billion years
D) 20 billion years
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q24: Upon observing a nebula, you discover that
Q30: In which way are protostars different from
Q31: Parts of a stable molecular cloud can
Q33: What is the most dominant type of
Q34: What happens in the carbon-nitrogen-oxygen (CNO)cycle?<br>A)Carbon nuclei
Q53: What is opacity?<br>A)the balance between the pressure
Q65: Under what conditions might interstellar gas clouds
Q65: _ is the resistance of a gas
Q75: Which of the following factors explain why
Q108: HII regions are found near stars cooler