A committee of the International Astronomical Union proposes a new definition of the term "planet" which would increase the number of planets in the solar system by including Ceres, Charon, 2003 UB313 and potentially other trans-Neptunian objects
昨天做好球形拼圖後
壬壬好奇的進我房間玩
問怎麼飄在空中..台灣島在哪裡?
後來我跟他討論到地球..太陽系..九大行星..外星人
抓出網路上的行星照片...一張張介紹..
搖呼拉圈的是哪一球?有小衛星的是哪幾球?
今天偶然看到這一則新聞..
20060824要投票決定...
最晚2006九月IAU會發布新聞稿...
拭目以待吧~^^
In order of their distances from the Sun, the major planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto.
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The International Astronomical Union votes to redefine the term "planet", demoting Pluto (pictured) to the status of a "dwarf planet", and leaving the solar system with eight planets.(0826)
8月24日，國際天文聯會大會議決重定義「行星」，將冥王星降級為「矮行星」，從此太陽系有八大行星。
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