Planetary news,1-3／行星新資訊1-3
Credit: NASA
(1) The moon once had a dynamo in its core.
月球曾經有過磁場．
http://web.mit.edu/newsoffice/2009/moonrock-0115.html
Credit: NASA
(2) Martian Methane Reveals the Red Planet is not a Dead Planet.
甲烷可能是火星生命的證據．
http://www.nasa.gov/mission_pages/mars/news/marsmethane.html
Credit: NASA
(3) Venus may have had continents and oceans.
金星曾有海洋．
http://www.nature.com/news/2009/090113/full/news.2009.24.html?s=news_rss
香港天文學會
月球行星組
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