Author Question: The seasons are caused by the precession of the Earth's axis. Indicate whether the statement is ... (Read 89 times)

burchfield96 · **on:** Jul 27, 2018

The seasons are caused by the precession of the Earth's axis.

Indicate whether the statement is true or false

Question 2

Interstellar gas clouds may collapse to form stars if they

a. have very high temperatures.
b. encounter a shock wave.
c. rotate rapidly.
d. are located near main sequence spectral type K and M stars.
e. all of the above.