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Pluto/Kuiper Belt

Astronomy 5th grade

What spacecraft will reach Pluto in 2015? New Horizons
What is the name for little Plutos that are in the Kuiper Belt? Plutinos
A ring of comets and asteroids that orbit the sun outside the solar system is known as? Kuiper Belt
An object about half the size of Pluto that was discovered in 2002? Quaoar
What is the temperature that liquid freezes at called? Freezing point
How long does it take Pluto to revolve? Rotate? 248 years to revolve. 6 days to rotate.
What is the name of Pluto's moon? Charon
Is Pluto a terrestrial or gaseous planet? Terrestrial
How was Pluto discovered? Astronomers where looking for a planet that was pulling on Neptune.
Pluto's strange features? Opposite rotation, looks like a comets nucleus, inclining orbit, terrestrial planet in the outer planets,
Why do some people think it is not a planet? too small, orbits outside of other planets, moon is too big, misfit with the gas giants, looks like a Kuiper belt object
What do astronomers believe that Pluto is? A dwarf planet. A comet?
Created by: johnston5