Space Review

Front

What is a black hole?

Back

A black hole is an object so dense with so much gravity that even light cannot escape.

Front

What happens to the core of a Red Giant?

Back

The core of a Red Giant collapses and becomes a White Dwarf.

Front

What do all stars begin their life as?

Back

All stars begin their life as a Nebula.

Front

How long does it take light from the Sun to reach Earth?

Back

It takes 8 minutes for light from the Sun to reach Earth.

Front

What happens to gravitational force as mass increases?

Back

As mass increases, gravitational force increases.

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 a White Dwarf?

Back

A White Dwarf is the remnant of a star that has exhausted its nuclear fuel and collapsed.

Front

What is the Main Sequence?

Back

The Main Sequence is a continuous and distinctive band of stars that appears on plots of stellar color versus brightness.

Front

What is a Red Supergiant?

Back

A Red Supergiant is a very large star that is in the late stages of stellar evolution.

Front

What is the speed of light?

Back

The speed of light is approximately 299,792 kilometers per second.