2012年3月5日 星期一

observation satellite 觀測衛星






Our many-coloured planet: Largest earth-observing satellite shows off best pictures from 10 years orbiting our planet | Mail Online
http://www.dailymail.co.uk/sciencetech/article-2110455/Our-coloured-planet-Largest-earth-observing-satellite-shows-best-pictures-10-years-orbiting-planet.html

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