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ScienceAsteroids, Comets, and Meteors

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  • Sun
    the thing that comets orbit
  • telescopes
    tools used to study asteroids
  • meteroids
    small chunks of rock that break away from an asteroid
  • debris
    pieces of something that has been destroyed
  • shooting stars
    the name meteors are sometimes called
  • comet
    a chunk of ice, rock, and gas around the sun
  • meteor shower
    many meteors falling through the sky
  • meteor
    a piece of rock or metal from space that enters Earth's atmosphere
  • coma
    the cloud of gas surrounding a comet's nucleus
  • carbon
    around 75% of asteroids are this type
  • nucleus
    the rocky part of a comet's head
  • meteorites
    pieces of rocks that hit the Earth
  • light
    comets look like streaks of this from Earth
  • stony
    most common type of meteors on Earth
  • asteroid belt
    a part of space with many asteroids
  • atmosphere
    a blanket of air around the planet
  • Ceres
    the largest and first asteroid discovered
  • iron
    this type of meteor is shiny
  • astronomer
    a scientist who studies space
  • probes
    machines designed to study faraway objects in space
  • Kuiper
    the belt where comets are located
  • craters
    deep holes in the surface of a comet
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