銀星砂 :: 天文講座 :: 活行星 [2007-03-18] 活行星 The Living Planet 地球,是一顆活生生的行星,擁有變幻莫測的活動,自太空時代的開始,人造衛星大大改變了人類對我們的地球的認識,這講座簡介了一些相關的範疇。 Earth, its everchanging activities entitled it as a living planet. From the beginning of space age, artificial satellites revolutionized our understandings on this planet, in this lecture, an introduction will be given to numerous aspects concerned. Powerpoint::
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