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Moon dust storms - thermal ejecta?
December 9, 2005
by Phil Eastabrook,
3 years 50 weeks ago
Comment: 1245
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Phil Eastabrook - I'm no astro-geologist, but how about this for an explanation - as the sun rapidly warms the rocks, there is enough sudden movement caused by differential expansion to loft small, low-mass dust particles in an airless environment. According to the article, more dust was going East and West than down. This explanation would satisfy the admittedly scant data - the measuring device itself preventing dust from directly beneath itself going directly up, and hence directly down afterwards.