Stars and Galaxies

Front

What type of galaxy is the Milky Way?

Back

The Milky Way is classified as a spiral galaxy.

Front

What is the most common type of galaxy?

Back

The most common type of galaxy is elliptical.

Front

What happens to a star when its outer layers cool?

Back

When the outer layers of a star cool, it becomes a red giant.

Front

What is a cool, darkened star that is dead called?

Back

A cool, darkened star that is dead is called a black dwarf.

Front

Does the temperature of a star determine its color?

Back

True, the temperature of a star determines its color.

Front

What is a protostar?

Back

A protostar is a young star that is still in the process of forming.

Front

What is a supernova?

Back

A supernova is a powerful explosion that occurs when a star reaches the end of its life cycle.

Front

What is a black hole?

Back

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

Front

What is the difference between a white dwarf and a black dwarf?

Back

A white dwarf is a hot, dense star that has exhausted most of its nuclear fuel, while a black dwarf is a cold, dead star that has cooled down completely.

Front

What are the main components of a galaxy?

Back

The main components of a galaxy include stars, gas, dust, and dark matter.