Planetary news,1-3／行星新資訊1-3

CKYan

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/ ... .24.html?s=news_rss

香港天文學會
月球行星組