Planetary nebula
Blue giant
Black Hole
main sequence
Red giant
Stellar Nebula
White dwarf
Black dwarf
Neutron star
Protostar
Nebula
Supernova
Brilliant burst of light that follows the collapse of the iron core and explosion of a massive star
A star that expands and cools once it runs out of hydrogen fuel
A contracting cloud of gas and dust; the earliest stage of a star's life
A small, hot, dim star that is the leftover center of an old star
a large mass of collapsing gas and dust located in the universe that forms stars and planets
large cloud of dust and gas in space
a diagonal area on an H-R diagram that includes more than 90 percent of all stars
is a region of space within which the force of gravity is so strong that nothing, not even light, can escape.
A white dwarf that has burnt out completely.
The small dense remains of a high mass star after a super nova
a ring-shaped nebula formed by an expanding shell of gas around an aging star.
A large, bright, extremely hot star