作者查詢 / biostar
作者 biostar 在 PTT [ EarthScience ] 看板的留言(推文), 共299則
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2F推:富集度還是很低吧?都沒有經濟價值吧?10/23 16:46
1F推:全球暖化若持續下去,我看這條冰河也撐不了多久吧?10/19 03:16
10F推:每個地震的震波頻率彼此一樣嗎?還是會有個別差異?10/02 17:29
6F推:其實水的冰點會隨壓力和溶質濃度而變化,只要不是低到10/02 21:50
7F→:太誇張,水還是有可能在較低溫度保持液態,另外如果該星球10/02 21:51
8F→:有地熱或其他熱源,也有可能在局部地區創造出液態水環境10/02 21:51
13F推:有個說法是光合生物和造礁生物,大量消耗二氧化碳,導致09/14 23:15
14F→:沒有足夠溫室效應維持地球溫暖09/14 23:16
15F→:原Po講的是七億年前的全球冰封事件吧?09/14 23:16
16F→:因為進入古生代後,雖還是有冰河期,但不會連赤道都冰封09/14 23:18
17F推:可以看看Discovery製作的「史前大浩劫-冰封地球」 PPS上有09/14 23:48
16F推:記得牛郎星就是顆自轉速度快到驚人的恆星09/23 22:35
6F推:為何流向是從地中海往黑海,因為地中海的海平面比較高嗎?08/05 09:58
3F推:NHK的影片都很不錯,而且解說不會很難懂07/21 20:49
1F推:人類消耗的速度遠超過天然補充的速度,總有一天還是會空07/06 06:29
2F→:不過我想可能在開採耗竭前,就被溫室效應搞死了吧?07/06 06:30
4F推:我個人認為只是單細胞生物的群體,離具有細胞分化與07/02 16:37
5F→:組織分工的真正多細胞生物,還是有一段距離07/02 16:38