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7 Cards in this Set

  • Front
  • Back
Revolution/orbit
the path a planet takes around a larger object, such as a star ( the sun)
Rotation
the act of spinning around on an axis
Asteroids
thousands of rocky objects that revolve around the sun, between Mars and Jupiter
Meteor
small particles from space that burn up when they enter the Earth's atmosphere (shooting stars).
Meteorite
small particles from space that pass through the atmosphere (but don't totally burn up) and reach the Earth's surface (shooting stars that reach the earth).
Climate
the average weather of an area over a long period of time.
Atmosphere
the layer of gases that surround a planet.