dust devil

A dust devil is a strong, well-formed, and relatively long-lived whirlwind, ranging from small (half a metre wide and a few metres tall) to large (more than 10 metres wide and more than 1000 metres tall). The primary vertical motion is upward. Dust devils are usually harmless, but can on rare occasions grow large enough to pose a threat to both people and property.[1]

For more information about dust devil check the Wikipedia article here

ZME Science posts about dust devil

This week in space pictures

Mon, Mar 12, 2012

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It’s been quite a week for space exploration and some truly remarkable pictures were taken, here’s the best ones. The solar flare in 3D Earth was struck by a major solar flare, the biggest one in years, and this fantastic 3D image shows sunspots and “wonderful active regions in exquisite detail,” according to NASA’s Solar [...]

Huge dust whirlwind seen on Mars [shorties]

Thu, Mar 8, 2012

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NASA cameras have snapped this crazed dusty whirlwind on the surface of the Red Planet. Whenever these whirlwinds occur on Mars, they are called ‘dust devils’, and it’s really easy to see why; at 800m high and 30m wide, with a dusty trail covering an area of more than 600m, it’s strength is just magnificent. [...]

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