section 6a part 1 formation of the solar system Flashcards
1
Q
Age of Solar System
A
4.5 billion years
2
Q
A Solar Nebula is…
A
A Protoplanetary Disk, surrounded the sun when the sun and planets were being made
3
Q
what collects first during the formation of a planet
A
heavy material - dust and heavy atoms - before gasses
4
Q
agree
A
there was an early period of very heavy bombardment by meteors in our solar system ( era of bombardment)
5
Q
why do the inner planets (close to the sun) are rocky, while only the further planets have a lot of gas in them
A
-the core of each far planet had more mass, so it could pull in gasses, which a smaller planet cannot do
6
Q
what happens to the spin rate of something when gravity makes it shrink
A
LOOK IT UP…. possibly spin faster
