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Plutoids Join The Solar Family

机译:类人动物加入太阳家庭

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Since 1992 astronomers have discovered more than 1,000 diminutive objects circling the sun beyond Neptune's orbit. But no one knew what to call them, and this spelled mayhem for the International Astronomical Union (IAU), which is charged with naming such objects. In 2006, IAU members officially adopted the term "dwarf planet" for certain minor orbiting bodies. The choice of nomenclature gave modest outlier Pluto and some of the newfound worlds beyond Neptune the ungainly title of "transneptunian dwarf planet"-a designation that did not prove popular. "It was a horrible phrase, a real mouthful," says Edward Bowell, an IAU division president at the Lowell Observatory in Flagstaff, Arizona, where Pluto was first spotted in 1930. "Just a plain nuisance."
机译:自1992年以来,天文学家已经发现了1,000多个绕太阳旋转的海王星以外的小天体。但是没人知道怎么称呼它们,这是国际天文学联合会(IAU)的混乱之处,该组织负责命名此类天体。 2006年,国际天文学联合会成员正式为某些小型绕行物体采用了“矮行星”一词。术语的选择使冥王星和海王星以外的一些新发现的世界获得了笨拙的“跨海王星矮行星”的称呼,这种称呼并没有得到普及。 “这真是一个可怕的词,真是令人难以置信,”亚利桑那州弗拉格斯塔夫洛厄尔天文台的IAU部门总裁爱德华•鲍威尔说,“冥王星于1930年在此首次被发现。”

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