Life Cycle of a Star Assessment

Front

What phase do stars spend most of their life in?

Back

Main sequence

Front

What begins when a star is born?

Back

Nuclear fusion

Front

What determines what happens when a star leaves the main sequence?

Back

Mass of the star

Front

What phase is our sun currently in?

Back

Main sequence

Front

What is the last stage in a low-mass star's life when it no longer emits heat or light?

Back

Black dwarf

Front

What is a nebula?

Back

A large cloud of gas and dust in space, where stars are born.

Front

What is nuclear fusion?

Back

The process by which two light atomic nuclei combine to form a heavier nucleus, releasing energy.

Front

What happens to a star after it becomes a red giant?

Back

It can shed its outer layers and become a planetary nebula, leaving behind a white dwarf.

Front

What is a supernova?

Back

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.

Front

What is a white dwarf?

Back

The remnant core of a low-mass star that has exhausted its nuclear fuel and shed its outer layers.