Matching Pairs StarsOnline version Vocabulary by Davina Faries 1 Stellar Nebula 2 Nebula 3 Supernova 4 Red giant 5 Black Hole 6 Blue giant 7 Neutron star 8 Planetary nebula 9 main sequence 10 Protostar 11 Black dwarf 12 White dwarf A large, bright, extremely hot star a diagonal area on an H-R diagram that includes more than 90 percent of all stars a ring-shaped nebula formed by an expanding shell of gas around an aging star. A contracting cloud of gas and dust; the earliest stage of a star's life 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. Brilliant burst of light that follows the collapse of the iron core and explosion of a massive star A small, hot, dim star that is the leftover center of an old star A star that expands and cools once it runs out of hydrogen fuel A white dwarf that has burnt out completely. large cloud of dust and gas in space The small dense remains of a high mass star after a super nova
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