The search for Planet X
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The heart of Pluto
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The weird worlds of the Kuiper Belt
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The great planet debate
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Beyond the icy frontier
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YOUR GOAL
Master of Pluto and the icy worlds of the Kuiper Belt
artiteacher The Kuiper Belt
A heart of frozen nitrogen is beating in the cold, Pumping icy winds across a desert dark and old.
Haumea's rapid spin: The dwarf planet Haumea spins so fast that its day lasts just under four hours, the shortest in the solar system.
A region of the solar system beyond the orbit of Neptune, containing many comets, asteroids, and other small bodies made largely of ice. This frozen ring of debris is home to unique worlds like the rapidly spinning, elongated Haumea.
How long does it take the fast-spinning dwarf planet Haumea to complete one rotation?
Which dwarf planet is the second-brightest known object in the outer solar system?
Where is the gravitational center of mass (barycenter) of Pluto and Charon located?
Which dwarf planet, discovered in 2005, was named after the Greek goddess of discord?
What term describes Pluto and Charon always facing each other with the same sides?