Dwarf Planets and Pluto / Kuiper Belt and Oort Cloud
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Pluto is a dwarf planet located in the Kuiper Belt, a region beyond Neptune populated with small icy objects. While Pluto meets two of the three criteria to be considered a planet by orbiting the sun and having sufficient mass to be rounded, it has not cleared its orbit of other objects. Its highly elliptical orbit crosses Neptune's orbit and takes 248 Earth years to revolve around the sun. The Kuiper Belt contains remnants of unformed planets and extends past Neptune out to the distant Oort Cloud, which contains trillions of icy comets nearly a million times farther from Earth.
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Dwarf Planets and Pluto / Kuiper Belt and Oort Cloud
- 1. Dwarf Planets and Pluto Kuiper Belt / Oort Cloud
- 3. Pluto It is a Solid object made of rock and ice. It is not made of gas – solid terrestrial Considered a DWARF (minor) Planet Part of the Kuiper Belt (Region that extends past Neptune engulfed by the Oort Cloud. 1. In orbit of the Sun 2. Sufficient mass to have gravitationally rounded itself 3. "cleared and ordered" its orbit. NOPE: Kuiper Belt still Rocky/Icy Mess!
- 4. Pluto It takes 248 Earth years to revolve once around the sun. It has the most elliptical orbit. Takes longest to revolve. Crosses Neptune’s orbit.
- 5. Kuiper Belt and the Oort Cloud Region beyond Neptune where small, icy, slow- moving objects orbit the sun. Most Comets originate from this region! (Halley’s)
- 6. • The Kuiper Belt contains the remnants of planets that never formed, and small planetoid objects. • Pluto is a part of the Kuiper Belt. • The Kuiper Belt exists out past the planet Neptune.
- 7. • The Oort Cloud exists nearly 1,000,000AU from Earth. • 93 Trillion miles away from Earth. • The Oort Cloud contains Trillions of icy Comets. • Comets get moved from the cloud by a gravitational flick from another object.