Relier Pairs StarsVersion en ligne Vocabulary par Davina Faries 1 Blue giant 2 Black dwarf 3 Red giant 4 Planetary nebula 5 main sequence 6 Supernova 7 Stellar Nebula 8 Neutron star 9 Nebula 10 Black Hole 11 White dwarf 12 Protostar A white dwarf that has burnt out completely. Brilliant burst of light that follows the collapse of the iron core and explosion of a massive star a large mass of collapsing gas and dust located in the universe that forms stars and planets is a region of space within which the force of gravity is so strong that nothing, not even light, can escape. A contracting cloud of gas and dust; the earliest stage of a star's life large cloud of dust and gas in space a ring-shaped nebula formed by an expanding shell of gas around an aging star. A small, hot, dim star that is the leftover center of an old star A large, bright, extremely hot star The small dense remains of a high mass star after a super nova A star that expands and cools once it runs out of hydrogen fuel a diagonal area on an H-R diagram that includes more than 90 percent of all stars