Unformatted text preview: o Has a thin methane atmosphere o Discovered by Clyde Tombaugh o Charon = Pluto’s Moon 2 tiny moons later discovered Used to measure the mass of Pluto Orbits with a period of 6.4 days o “King of the Kuiper Belt” An area of space made up of objects like comets and asteroids that orbit the Sun Leftovers from the birth of the solar system most of the objects are smaller than Pluto and are not as reflective • Eris o A KBO about 10% larger in diameter than Pluto • What is a Planet? o a body that primarily orbits the Sun – not a moon o Massive enough to have become roughly spherical due to its own self gravity o Has cleared most of the other objects out of its neighborhood...
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- Fall '08
- Solar System, Planet, Neptune, Pluto, Dwarf planet, Clyde Tombaugh