More on minor planet from Fact Monster:

• Ceres and the Asteroids - Ceres and the Asteroids Between the orbits of Mars and Jupiter are an estimated 30,000 pieces of ...
• planet - planet planet [Gr.,=wanderer], a large nonluminous ball of rock or gas that orbits a star. The ...
• ephemeris - ephemeris ephemeris (pl., ephemerides), table listing the position of one or more celestial bodies ...
• ASTEROIDS - An asteroid is a lump of rock that circles the Sun. Asteroids are also called minor planets. The biggest one, Ceres, is only 580 miles (930 km) across
• Gerard Peter Kuiper - Kuiper, Gerard Peter or Gerrit Pieter Kuiper, Gerard Peter or Gerrit Pieter , 1905–73, ...

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