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Ceres is the largest object in the asteroid belt, and NASA’s Dawn spacecraft will arrive there on March 6. Pluto is the largest object in the Kuiper belt, and NASA’s New Horizons spacecraft will arrive there on July 15. These two events will make 2015 an exciting year for solar system exploration and discovery. But there is much more to this story than mere science. I expect 2015 will be the year when general consensus, built upon our new knowledge of these two objects, will return Pluto and add Ceres to our family of solar system planets. The efforts of a very small clique of Pluto-haters within the International Astronomical Union (IAU) plutoed Pluto in 2006. Of the approximately 10,000 internationally registered members of the IAU in 2006, only 237 voted in favor of the resolution redefining Pluto as a “dwarf planet” while 157 voted against; the other 9,500 ...
