Star Life Cycle Review

Front

What are stars born in?

Back

Stars are born in clouds of gas and dust called nebulae.

Front

Which color star is the coolest?

Back

Red stars are the coolest.

Front

True or false: High mass stars explode after the red supergiant phase in a spectacular supernova.

Back

True.

Front

Which star color is the hottest?

Back

Blue stars are the hottest.

Front

What is the remnant of the very largest stars after a supernova?

Back

The remnant is a black hole.

Front

Define a nebula.

Back

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

Front

What is a supernova?

Back

A supernova is a powerful and luminous explosion of a star, marking the end of its life cycle.

Front

What is a neutron star?

Back

A neutron star is the remnant core of a massive star after a supernova, composed mostly of neutrons.

Front

What is the life cycle of a star?

Back

The life cycle of a star includes stages: nebula, main sequence, red giant/supergiant, supernova, and remnant (neutron star or black hole).

Front

What happens to low mass stars at the end of their life cycle?

Back

Low mass stars become red giants and then shed their outer layers to form planetary nebulae, leaving behind white dwarfs.