Matching Pairs StarsOnline version Vocabulary by Davina Faries 1 Red giant 2 main sequence 3 Planetary nebula 4 Black dwarf 5 Protostar 6 Supernova 7 Nebula 8 Neutron star 9 White dwarf 10 Black Hole 11 Blue giant 12 Stellar Nebula a large mass of collapsing gas and dust located in the universe that forms stars and planets A white dwarf that has burnt out completely. 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 Brilliant burst of light that follows the collapse of the iron core and explosion of a massive star large cloud of dust and gas in space 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. 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 A large, bright, extremely hot star a diagonal area on an H-R diagram that includes more than 90 percent of all stars
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