Life Cycle of Stars

Front

What color are the hottest stars?

Back

Blue

Front

What is the early stage in the formation of a star before nuclear synthesis begins?

Back

Protostar

Front

In which phase of its life cycle is our sun currently?

Back

Yellow star

Front

What is the remnant of a white dwarf after it cools into a burnt-out cinder called?

Back

Black dwarf

Front

Why is a black hole called 'black'?

Back

It absorbs all the light that hits it.

Front

What is the process called when a star begins to fuse hydrogen into helium?

Back

Nuclear fusion

Front

What is the name of the explosion that occurs at the end of a massive star's life cycle?

Back

Supernova

Front

What type of star is formed when a massive star collapses under its own gravity?

Back

Neutron star

Front

What is the main sequence phase of a star?

Back

The longest phase in a star's life cycle where it fuses hydrogen into helium.

Front

What happens to a star after it exhausts its nuclear fuel?

Back

It can become a red giant or a supernova, depending on its mass.