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The IAU is leaning to making our solar system contain 8 planets. Pluto will once again be a giant floating rock in space.
The IAU is leaning to making our solar system contain 8 planets. Pluto will once again be a giant floating rock in space.
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Terminology is still controversial. Objects that do not quite qualify as planets - because they are big enough to be round but not big enough to dominate their neighbourhoods - might become "dwarf-planets" or planetoids. These would include Pluto and Ceres, the largest asteroid. And the small fry of the solar system, such as asteroids, might be called small solar system bodies, or retain their current designation as minor planets.