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自然科學

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  彗星 Comet alanmak92 2005-8-24 0 / 2917 2005-8-24 23:33 by alanmak92
  土星 Saturn alanmak92 2005-8-24 0 / 2307 2005-8-24 15:39 by alanmak92
  [貼圖]木星 Jupiter alanmak92 2005-8-24 0 / 2534 2005-8-24 15:31 by alanmak92
  火星相ar~ alanmak92 2005-8-23 0 / 2810 2005-8-23 19:00 by alanmak92
  金星凌日ar~ alanmak92 2005-8-23 0 / 2584 2005-8-23 18:43 by alanmak92
  「 流 星 雨 」 的 天 文 現 象 ~ alanmak92 2005-8-23 0 / 2642 2005-8-23 18:32 by alanmak92
  為甚麼地球及其他行星也是圓的？ alanmak92 2005-8-22 0 / 2776 2005-8-22 20:06 by alanmak92
  什麼是雪崩？ alanmak92 2005-8-22 0 / 2392 2005-8-22 20:05 by alanmak92
  南極光 alanmak92 2005-8-21 1 / 2846 2005-8-21 22:08 by kinger108
  南極石 alanmak92 2005-8-21 0 / 2700 2005-8-21 21:27 by alanmak92
  南極的由來 alanmak92 2005-8-21 0 / 2257 2005-8-21 21:22 by alanmak92
  科學探索的聖地 alanmak92 2005-8-21 0 / 2523 2005-8-21 21:19 by alanmak92
  南極真面目~ alanmak92 2005-8-21 2 / 2649 2005-8-21 21:16 by alanmak92
  純北極光~ alanmak92 2005-8-21 2 / 2948 2005-8-21 20:56 by alanmak92
  美麗的黃昏~ alanmak92 2005-8-21 0 / 2247 2005-8-21 20:45 by alanmak92
  怪光~ alanmak92 2005-8-21 0 / 2400 2005-8-21 18:27 by alanmak92
  天外?艦罥 alanmak92 2005-8-21 1 / 2619 2005-8-21 18:18 by kinger108
  神秘的宇宙 alanmak92 2005-8-21 1 / 2678 2005-8-21 17:11 by kinger108
  恆星的光譜揭示恆星的秘密 alanmak92 2005-8-21 1 / 2866 2005-8-21 17:03 by kinger108
  星團,星雲和星系~ alanmak92 2005-8-21 1 / 2290 2005-8-21 17:01 by kinger108

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