How long does it take an M-type star to form, compared to the time for a solar-type to form?
A.Half as long
B.About the same time
C.Twice as long
D.20 times as long
E.200 times as long
c
A.Half as long
B.About the same time
C.Twice as long
D.20 times as long
E.200 times as long
c
2 answers
1 answer
1 answer
3 answers