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