Should Pluto Be A Planet Again?
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PHILADELPHIA (CBS) – New research just published suggests Pluto should be reclassified as a planet.
In 2006, the International Astronomical Union (IAU) downgraded Pluto to a dwarf planet.
The IAU defines a planet as having the largest gravitational force in its orbit, which disqualifies Pluto, because it is under the influence of Neptune's gravity.
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However, a planetary scientist in Florida now says that shouldn't be the criteria.
He says the definition of a planet should be based on its intrinsic properties, rather than ones that can change; such has the dynamics of a planet's orbit.
