Observations of young stars (as well as theory)tell us that when the Sun was young the solar wind
A)was weaker than it is today.
B)was stronger than it is today.
C)was about the same strength as it is today.
D)was nonexistent.
E)blew outward only along the Sun's poles.

Question

Quizplus · Accepted Answer

Young stars tend to have stronger solar winds due to their higher rates of magnetic activity. As the Sun has aged, its magnetic activity has decreased, leading to a weaker solar wind. Therefore, it is likely that when the Sun was young, its solar wind was stronger than it is today.

Observations of Young Stars (As Well as Theory)tell Us That