Star Formation

Front

Where are stars formed?

Back

in a nebula

Front

A star that has used up all of the hydrogen and uses helium is called:

Back

Red Giant

Front

What causes stars to form out of nebula gas clouds?

Back

gravity

Front

A main sequence star fuses hydrogen and creates...

Back

helium

Front

Which of the following describes a major role of gravity in star formation?

Back

Gravity pulls in gases in a nebula until temperatures are high enough for nuclear fusion to occur.

Front

What is a nebula?

Back

A nebula is a giant cloud of dust and gas in space, where stars are born.

Front

What is nuclear fusion?

Back

Nuclear fusion is the process by which two light atomic nuclei combine to form a heavier nucleus, releasing energy.

Front

What is a main sequence star?

Back

A main sequence star is a star that is in the stable phase of its life cycle, fusing hydrogen into helium.

Front

What happens to a star after it becomes a Red Giant?

Back

It can shed its outer layers and become a white dwarf or explode as a supernova.

Front

What is the role of gravity in the life cycle of a star?

Back

Gravity pulls matter together to form stars and influences their evolution.