Dunes on Mars…

While we wait for new images to come back from Opportunity, I thought I’d share this…

These “ripples” might look like wet sand on a beach, made as the tide ebbed in and out, but they are actually dunes of very fine dust on the surface of Mars. This is a crop from a mosaic of several different images taken by the Curiosity rover, which I’ve processed to really bring out the delicate patterns and shapes. So, instead of being sculpted by water, these dunes – which are actually very small, probably no higher than a few centimetres tall – were made as the gentle martian winds blew dust blown around, over and between the rocks… beautiful, don’t you think?

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