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Hidden Message From Mars? Bizarre Dune Pattern Looks Like Morse Code

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John Johannes
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NASA has released some fascinating new images of Mars which reveal bizarre natural sand patterns that bare a striking resemblance to Morse code.

In a post entitled Martian Morse Code , NASA explains that that they are in fact Martian sand dunes which have been influenced by local topography .

While it might look like a Martian version of the Nazca Lines, there is sadly a perfectly reasonable explanation for these odd-looking geographical features.

The shape and orientation of dunes can usually tell us about wind direction, but in this image, the dune-forms are very complex, so it s difficult to know the wind direction.

The patterns themselves sit within a large circular depression, most likely an impact crater.

According to NASA the circular depression is most likely a very old crater, which in turn has then protected the dunes from more severe winds.

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