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自然科學

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  "火星人面像"之謎揭開? alanmak92 2005-8-21 1 / 811 2005-8-21 16:58 by kinger108
  銀河系從混沌中形成 alanmak92 2005-8-21 0 / 1888 2005-8-21 16:51 by alanmak92
  恆星的生和死 alanmak92 2005-8-21 0 / 1863 2005-8-21 16:50 by alanmak92
  恆星的形成 alanmak92 2005-8-21 0 / 1947 2005-8-21 16:48 by alanmak92
  "撞擊"威脅地球 alanmak92 2005-8-21 0 / 777 2005-8-21 16:46 by alanmak92
  天文學家又發現天王星的兩顆衛星 alanmak92 2005-8-21 0 / 1853 2005-8-21 16:44 by alanmak92
  人類航天器今天再訪火星!!! alanmak92 2005-8-21 0 / 1934 2005-8-21 16:42 by alanmak92
  尋找地外文明 alanmak92 2005-8-21 0 / 1890 2005-8-21 16:41 by alanmak92
  二十一世紀天文學的展望~ alanmak92 2005-8-21 0 / 1943 2005-8-21 16:39 by alanmak92
  太陽風暴與人類生活??? alanmak92 2005-8-21 0 / 1952 2005-8-21 16:38 by alanmak92
  太陽風暴 alanmak92 2005-8-21 0 / 1835 2005-8-21 16:37 by alanmak92
  認識月球la~ alanmak92 2005-8-21 0 / 1863 2005-8-21 16:35 by alanmak92
  恆星的一生~ alanmak92 2005-8-21 0 / 1927 2005-8-21 16:31 by alanmak92
投票 到底有沒有外星人??? alanmak92 2005-8-21 0 / 853 2005-8-21 16:30 by alanmak92
  流星和彗星 alanmak92 2005-8-21 0 / 1890 2005-8-21 16:28 by alanmak92
  從太陽系中尋找第十顆行星 alanmak92 2005-8-21 0 / 1815 2005-8-21 16:26 by alanmak92
  星星的家族 alanmak92 2005-8-21 0 / 1928 2005-8-21 16:25 by alanmak92
  流星 ◤期待◆═≡☆ 2005-4-11 13 / 2489 2005-8-21 16:17 by alanmak92
  南極千萬年所形成的冰 ~附圖 ◤期待◆═≡☆ 2005-4-11 12 / 2501 2005-8-21 13:45 by alanmak92
  星星的誕生 朋友仔 2005-4-4 11 / 2397 2005-8-21 13:40 by alanmak92

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