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Celestial Bodies

TermDefinition
Universe All space and the matter space contains
Star A mass of gas that emits heat and light through nuclear reactions
Nebula A large cloud of gas and dust where stars are formed
Galaxy A large grouping of stars held together by gravity
Celestial body Any object located in space
Supernova The death of a large star by explosion
Black Hole The remains of a massive star with gravity so strong that even light cannot escape
Milky Way Galaxy The name of the spiral or disk-shaped galaxy in which our solar system is located
Gravity The force that causes objects with mass to attract one another
Sun The medium main-sequence star around which Earth revolves
Emit To give off, release or produce
Moon A celestial body that orbits a planet
Planet A celestial body that orbits a star
Asteroid A celestial body made of rock and metal that is typically found in the asteroid belt between Mars and Jupiter
Comet An icy celestial body that displays a coma (or a tail) as it passes by the heat of the Sun
Metor Small celestial body that burns up as it passes through Earth's atmosphere
Galaxy cluster A group of galaxies bound together by gravity
Solar System A collection of celestial bodies such as planets, moons, meteors, asteroids and comets that orbit a star
Created by: khedlund
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