Components of the Universe Review

Front

What is Proxima Centauri's brightness compared to the sun?

Back

Proxima Centauri's Star is less bright than the sun.

Front

What is the surface temperature of Proxima Centauri's Star?

Back

The surface temperature of Proxima Centauri's Star is below 3,400 K.

Front

What type of star is Betelgeuse classified as?

Back

Betelgeuse is classified as a supergiant star.

Front

What is the shape of an irregular galaxy?

Back

An irregular galaxy has no particular shape.

Front

List the correct order of the life cycle of massive stars.

Back

Nebula -> protostar -> main sequence -> red supergiant -> supernova -> black hole.

Front

What is the name of the galaxy that Earth is in?

Back

The name of the galaxy Earth is in is the Milky Way.

Front

What is a nebula?

Back

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

Front

What is a protostar?

Back

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

Front

What defines a main sequence star?

Back

A main sequence star is a star that is in the stable phase of its life cycle, fusing hydrogen into helium.

Front

What happens during a supernova?

Back

A supernova is a powerful explosion that occurs at the end of a star's life cycle, often resulting in the formation of a neutron star or black hole.