Nebula Theory

Front

What ginormous object creates stars?

Back

Nebula

Front

What is a nebula made of?

Back

gas and dust

Front

What could make a nebula begin to form stars? Options: An exploding star, Planets colliding, A passing asteroid, Nuclear fusion

Back

An exploding star

Front

What force causes the nebula to collapse?

Back

Gravity

Front

What happens once the nebula begins to spin? Options: a completely flat disk forms, all the material collects in the middle, the newborn sun blows out all the material into space, a planetary disk forms with a bulge in the center.

Back

a planetary disk forms with a bulge in the center.

Front

What are the inner planets made of (primarily)?

Back

rock

Front

Why are the inner planets smaller?

Back

less material to make them -- (the nebula had lots of gases)

Front

What formed between the outer planets and the inner planets?

Back

the asteroid belt

Front

What are the outer planets made of?

Back

gas and ice

Front

why are the outer planets so large?

Back

there's more material to make them