Building the planets Flashcards
1
Q
What is inside the frost line?
A
- Rock
- Metals
2
Q
What is beyond the frost line?
A
- Rock
- Metals
- hydrogen compounds
3
Q
What is condensation?
A
the formation of solid/liquid particles from a gas
4
Q
What is Accretion?
A
solid particles start sticking together into larger objects - planetesimals.
5
Q
What do planetesimals have outside the frost line that ones inside the frost line don’t have?
A
ice
6
Q
Why are planets outside the frost line so much larger?
A
because outside the frost line you have more ice, so that accumulates, inside you don’t get ice.