Front

What is the term for the death of an extremely massive star by a large, violent explosion?

Back

Supernova

Front

How are stars classified on the HR Diagram?

Back

By temperature and absolute magnitude (or luminosity).

Front

What determines the life cycles of stars?

Back

Mass

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Front

How does the brightness of our Sun compare to other stars?

Back

It is considered average.

Front

Where do all stars begin their life cycle?

Back

In a Nebula.

Front

What is a Nebula?

Back

A large cloud of gas and dust in space, where stars are born.

Tags

NGSS.HS-ESS1-3

Front

What is a supernova remnant?

Back

The structure resulting from the explosion of a star in a supernova.

Tags

NGSS.HS-ESS1-3

Front

What is the main sequence phase in a star's life cycle?

Back

The longest phase where a star fuses hydrogen into helium in its core.

Tags

NGSS.HS-ESS1-1

Front

What happens to a star after it exhausts its hydrogen fuel?

Back

It expands into a red giant or supergiant.

Front

What is a white dwarf?

Back

A small, dense star that is the remnant of a low to medium mass star after it has shed its outer layers.

Tags

NGSS.HS-ESS1-3