The Life Cycle of Stars

Our sun is among the most massive stars in our galaxy.

A neutron star is an extremely dense ball of neutrons.

Astronomers use the H-R diagram to predict when comets will travel close to Earth.

Stars develop from white dwarfs.

As part of its normal life cycle, a massive star becomes a _.

A _ is a large cloud of gas and dust.

The densest regions, which are called dense cores, form new stars.

Low-mass stars, including our _, grow larger and become giants.

A _ is the hot, dense core of matter than remains from the collapse of a low-mass star.

High-mass stars become _ rather than giants.