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3 Written questions

2 Multiple choice questions

  1. a celestial body moving about the sun, usually in a highly eccentric orbit, consisting of a central mass surrounded by an envelope of dust and gas that may form a tail that streams away from the sun.
  2. a mass of stone or metal that has reached the earth from outer space; a fallen meteoroid.

2 True/False questions

  1. extraterrestrial lifethe region of space between the orbits of Mars and Jupiter in which most asteroids are located.


  2. Meteoroidany of the small bodies, often remnants of comets, traveling through space: when such a body enters the earth's atmosphere it is heated to luminosity and becomes a meteor.