Stars and Galaxies

Front

Our star is located in an outer arm of the Milky Way. (True/False)

Back

True

Front

What color is the hottest star?

Back

Blue

Front

______ is a force that causes dust particles to stick together in a nebula.

Back

Gravity

Front

What type of galaxy is this? (Spiral/Elliptical/Irregular/Irrational)

Back

Elliptical

Front

What color is the coolest star?

Back

Red

Front

What is the Milky Way?

Back

A spiral galaxy that contains our solar system.

Front

What is a nebula?

Back

A giant cloud of dust and gas in space, often the birthplace of stars.

Front

What is the difference between a spiral galaxy and an elliptical galaxy?

Back

Spiral galaxies have arms that spiral outwards, while elliptical galaxies are more rounded and lack distinct arms.

Front

What is nuclear fusion?

Back

The process by which stars generate energy by fusing hydrogen atoms into helium.

Front

What is a black hole?

Back

A region in space where the gravitational pull is so strong that nothing, not even light, can escape.