Unit 3 Components of the Universe

Front

What is a black hole?

Back

A point in space with infinite density.

Front

What can be found in galaxies?

Back

Gas, dust, and stars.

Front

What is a large celestial body that is composed of gas and emits light?

Back

Star.

Front

What is the primary factor that determines the path stars take in their lifecycle?

Back

Mass.

Front

What type of galaxy is characterized by a lack of defined structure?

Back

Irregular galaxy.

Front

What is the term for a massive cloud of gas and dust in space?

Back

Nebula.

Front

What is the process by which stars generate energy?

Back

Nuclear fusion.

Front

What is the name of our galaxy?

Back

The Milky Way.

Front

What is the difference between a planet and a star?

Back

A planet does not emit light; a star does.

Front

What is the term for the force that pulls objects toward each other in space?

Back

Gravity.