Solar System Formation

Front

The Nebular Theory is:

Back

A theory on how the solar system was formed

Front

A nebula is:

Back

A cloud of dust and gas

Front

The most abundant gases in a nebula are: Hydrogen & Oxygen, Nitrogen & Oxygen, Hydrogen & Helium, Oxygen & Helium

Back

Hydrogen & Helium

Front

A nebula starts to move because:

Back

A nearby supernova

Front

A nebula starts to collapse because of:

Back

Gravity

Front

As a nebula collapses it also begins:

Back

Rotate

Front

A nebula collapses down into a disk known as:

Back

An accretion disk

Front

What forms in the very center of the accretion disk?

Back

A protosun

Front

What is forming in the accretion disk away from the center?

Back

Planetesimals

Front

What do planetesimals do?

Back

Colliding and sticking together