Matching Pairs Match the definitionsOnline version Match the definitions of these celestial bodies. by Ana Jiménez 1 Asteroid 2 Galaxy 3 Constellation 4 Galaxy cluster 5 Comet 6 Stars 7 Planet 8 Solar System 9 Meteoroids are huge balls of gas where nuclear reactions take place. These reactions produce enormous amounts of light and heat. is made of ice, dust and gases. is an enormous system of stars, dust and gas that is hekd together by the force of gravity. is a group of stars which make an imaginary shape in the night sky. is a rocky, irregular mass that orbits the Sun. celestial body that orbits a star and does not emit light. are small pieces of rock or metal from an asteroid or comet that orbits the Sun. gallaxies group together forming bigger structures. one tiny part of a spiral gallaxy called the Milky Way.
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