Author Question: The Jovian problem is that gas and dust disks may not last long enough for Jovian planets to form by ... (Read 62 times)

khang · **on:** Jul 27, 2018

The Jovian problem is that gas and dust disks may not last long enough for Jovian planets to form by accretion and then by gravitational collapse.

a. True
b. False
Indicate whether the statement is true or false

Question 2

Debris disks are cold dust disks around main-sequence stars that are produced by collisions among planetesimals.

a. True
b. False
Indicate whether the statement is true or false