The comet also contains more frozen carbon dioxide, or dry ice, than has been found on any other comet. (newscientist.com)
[F] or three Mars summers in a row, deposits of frozen carbon dioxide near Mars» south pole have shrunk from the previous year's size, suggesting a climate change in progress. (powerlineblog.com)
[F] or three Mars summers in a row, deposits of frozen carbon dioxide near Mars» south pole have shrunk from the previous year's size, suggesting a climate change in progress. (powerlineblog.com)