Planetary news,09-4／行星新資訊 09-4
Credit: NASA/JPL
(1) Ice on Mars Exposed by Meteor Impacts.新隕石撞擊揭露火星地下蘊藏水份．
http://www.jpl.nasa.gov/news/news.cfm?release=2009-148
Credit: University of Maryland/F. Merlin/McREL
(2) Water, water everywhere. Not a single drop to drink. 月面的水分子合成機制．
http://www.scientificamerican.com/article.cfm?id=moon-water-surface
Cedit: NASA/ESA/Hubble Team
(3) It's a grind to make Mars red. 火星紅色新理論．
http://www.europlanet-eu.org/demo/index.php?option=com_content&task=view&id=146&Itemid=41
香港天文學會
月球行星組
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