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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. In popular cultures, "extraterrestrials" are life forms — especially intelligent life forms— that are of extraterrestrial...

2 True/False questions

  1. asteroidany 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.

          

  2. asteroid beltthe region of space between the orbits of Mars and Jupiter in which most asteroids are located.