Space 1 Part II

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Space 1 Part II
2013-12-16 21:43:23
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Space terms part 2
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  1. Asteroid
    a small rocky body orbiting the sun. Large numbers of these, ranging in size from nearly 600 miles (1,000 km) across (Ceres) to dust particles, are found (as the asteroid belt ) esp. between the orbits of Mars and Jupiter, though some have more eccentric orbits, and a few pass close to the earth or enter the atmosphere as meteors.

  2. Meteoroid
    a small body moving in the solar system that would become a meteor if it entered the earth's atmosphere.

  3. Meteor
    a small body of matter from outer space that enters the earth's atmosphere, becoming incandescent as a result of friction and appearing as a streak of light.

  4. Meteorite
    a meteor that survives its passage through the earth's atmosphere such that part of it strikes the ground.
  5. Trans-Neptunian object
    A trans-Neptunian object is any object in the Solar System that orbits the Sun at a greater average distance than Neptune.