Editing Dwarf planet
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Dwarf planets are not 'true' planet only because of the last criterion, which says that a 'true' planet has "cleared the neighbourhood" in its orbital zone, meaning that there exist no objects of substantial mass other than natural satellites near its orbit. | Dwarf planets are not 'true' planet only because of the last criterion, which says that a 'true' planet has "cleared the neighbourhood" in its orbital zone, meaning that there exist no objects of substantial mass other than natural satellites near its orbit. | ||
− | == | + | == FAQs == |
=== Why isn't Pluto a planet? === | === Why isn't Pluto a planet? === | ||
[[Pluto]] was excluded from the [[International Astronomical Union|IAU]] definition of a planet due to a redefinition of the criteria for being a planet in 2006. This attracted some controversy after it defined the [[solar system]] to have 8 planets instead of 9, however, it is now generally accepted that Pluto is a dwarf planet. | [[Pluto]] was excluded from the [[International Astronomical Union|IAU]] definition of a planet due to a redefinition of the criteria for being a planet in 2006. This attracted some controversy after it defined the [[solar system]] to have 8 planets instead of 9, however, it is now generally accepted that Pluto is a dwarf planet. |