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Science

words dealing with space

TermDefinition
Solar System A star and all the planets and other objects that revolve around it.
Planet A large, round body that revolves around a star.
Dwarf Planet A nearby round body, slightly smaller than a planet, whose orbit crosses the orbit of another body.
Asteroid A chunk of rock or iron less than 1,000 Km. (621 miles) in diameter that orbits the sun.
Comets A chunk of frozen gases, rock, ice, and dust orbiting the sun.
Astronomy The study of objects in space and their properties.
Star A huge ball of very hot glowing gases in space that produce its own light and heat.
Galaxy A group of billions of stars, objects that orbit these stars, gas, and dust.
Created by: John One
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