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Celestial Objects Definitions

Celestial Objects Definitions. Asteroid. Chunks of space rock that orbit the Sun, mostly between Mars and Jupiter. Comet. A small body of ice, rock, and cosmic dust Example: Halley’s Comet There are thousands of these in the solar system. Galaxy.

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Celestial Objects Definitions

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  1. Celestial Objects Definitions

  2. Asteroid • Chunks of space rock that orbit the Sun, mostly between Mars and Jupiter

  3. Comet • A small body of ice, rock, and cosmic dust • Example: Halley’s Comet • There are thousands of these in the solar system.

  4. Galaxy • A huge collection of millions or billions of stars. • Example: • The Milky Way Galaxy & the Andromeda Galaxy

  5. Meteor • Dust and rock fragments from space that enter the Earth’s atmosphere and burn up (shooting stars)

  6. Star • A large ball of gas and plasma that produces light • Example: The Sun & Polaris (the North Star)

  7. Planet • A large, spherical object orbiting a star that dominates its orbit. • Example: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

  8. Satellite • Anything that orbits a planet, such as a moon or a man-made object (like the hubble telescope)

  9. Solar system • The sun and all the other objects that orbit around it; planets, asteroids, comets, moons…

  10. Star and the Sun • A gigantic spinnin ball of hot, glowing gas in space • Sun: the star at the center of our solar system!

  11. Universe • The vast space which includes EVERYTHING that exists!

  12. Black Hole • An object whose surface gravity is so great that waves traveling at the speed of light cannot escape from it. • http://www.youtube.com/watch?v=eI9CvipHl_c

  13. Nebula • A huge cloud of gas and dust in space • Example: These are either remnants or dead stars or birthplace of new stars

  14. Dwarf Planet • A Large, spherical object orbiting a star that does not dominate its orbit. • Example: Pluto, Eris, Ceres, Make Make Haumea

  15. May the Force be with you…

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