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| A clear November day in Gale Crater Mars |
In the UK we have been experiencing heavy rain and flooding but on Mars it is very very dry. The Mars exploration vehicle Curiosity took the above composite photograph in October and November of this year when the air was clear and free from dust. The day time temperatures on Mars have been unusually warm and large dust storms are caused by temperature differentials, therefore I wonder if Curiosity might soon be in for a dust bath! In September 2001 there was a global dust storm which obscured geological features that are normally visible from Earth and space. The images below, taken in June and September 2001 by the Hubble Space Telescope clearly show the affects of atmospheric dust.
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| Hubble Space Telescope images from 2001 |
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| Wind blown sand in Gale Crater images taken by Curiosity's Mast Camera |
Credits for images Curiosity and the HST NASA
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