Astronomers voted on August 24 to create the first scientific definition of the word planet, and Pluto obviously didn't make the cut. It turned out to be only a dwarf planet.
Astronomers voted on August 24 to create the first scientific definition of the word planet, and Pluto obviously didn't make the cut. It turned out to be only a dwarf planet.
译：8月24日，经过天王学家们投票决定，“行星”一词第一次有了科学定义，显然冥王星无以幸免。它成为了唯一一颗“矮行星”。