Martian sand dunes form Morse Code patterns

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NASA has spotted a series of strange, dark dunes on Mars that look uncannily like the dots and dashes that make up Morse code.

This isn't the first time researchers have spotted this pattern in the sands of Mars, but thanks to its unique topography, this dune field - just south of the planet's north pole - shows them in clearer detail than usual, allowing scientists to translate the message for the first time.

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To be clear, this message is naturally formed - just like the dunes here on Earth, the dots and dashes of the dunes were carved out by the direction of the wind. There's no spooky alien stuff at play here, promise.

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