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