Which star spends the longest time in the protostellar phase of life?
A)a 1-solar-mass star
B)a 2-solar-mass star
C)a 3-solar-mass star
D)a 4-solar-mass star
E)a 5-solar-mass star

Question

Quizplus · Accepted Answer

Lower mass stars have slower rates of fusion and are cooler than higher mass stars, meaning they take longer to reach the main sequence phase of their life cycle. Therefore, a 1-solar-mass star will spend the longest time in the protostellar phase compared to higher mass stars.

Which Star Spends the Longest Time in the Protostellar Phase