Published in The Patriot Ledger January 24, 2015
2015 will be a big year for dwarf planets. Two spaceships launched by NASA several years ago will soon be giving us our first close look at Ceres and at Pluto, giving us better photos and more scientific data on each of these dwarf planets than we have had before. But what are dwarf planets? When I was a boy, Pluto was one of the nine planets and Ceres was an asteroid. (more…)
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