dwarf planet wikipedia - EAS
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A dwarf planet is a small planetary-mass object that is in direct orbit of the Sun, smaller than any of the eight classical planets but still a world in its own right. The prototypical dwarf planet is Pluto. The interest of dwarf planets to planetary geologists is that since they are possibly differentiated and … See more
The category dwarf planet arose from a conflict between dynamical and geophysical ideas of what a useful conception of a … See more
On March 6, 2015, the Dawn spacecraft entered orbit around Ceres, becoming the first spacecraft to visit a dwarf planet. On July 14, 2015, the New Horizons space probe flew by Pluto and its five moons.
Ceres displays such evidence of an active geology as salt … See moreNames for large subplanetary bodies include dwarf planet, planetoid (more general term), meso-planet (narrowly used for sizes between Mercury and Ceres), quasi-planet and (in the transneptunian region) plutoid. Dwarf planet, however, was originally … See more
There is no clear definition of what constitutes a dwarf planet, and whether to classify an object as one is up to individual astronomers. Thus, the number of dwarf planets in the Solar System is unknown.
The three objects under consideration during the debates … See moreA number of bodies physically resemble dwarf planets. These include former dwarf planets, which may still have equilibrium shape or evidence … See more
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