Exit Check 8.6: Life Cycle of Stars

Front

What will our sun become 4 to 6 billion years from now?

Back

Red giant

Front

What does a star's life expectancy depend on?

Back

Mass of the star

Front

Will our sun become a black hole?

Back

Our sun's mass is too low to create a black hole. As a medium mass star, it will expand into a planetary nebula and then a white dwarf.

Front

What is a contracting mass of gas that represents an early stage in the formation of a star?

Back

Protostar

Front

Which stage of a star's life is our sun currently in?

Back

A main sequence star

Front

What is the final stage of a low to medium mass star's life cycle?

Back

White dwarf

Front

What is the stage called when a star expands and cools after exhausting its hydrogen fuel?

Back

Red giant

Front

What is the process called when a star forms from a cloud of gas and dust?

Back

Stellar formation

Front

What is the term for the explosion of a massive star at the end of its life cycle?

Back

Supernova

Front

What is the name of the dense core that remains after a supernova?

Back

Neutron star or black hole (depending on mass)