‘Grand Canyon-sized’ Mars ‘scar’ revealed like never before in striking new satellite photos

A satellite orbiting Mars has captured the best images ever of a giant “scar” carved across the Red Planet’s surface. The dark rift, which is surrounded by unusual zebra-like stripes, is likely the result of extreme volcanic activity millions of years ago.

The striking surface feature, called Aganippe Fossa, is a rift – a “trench-like groove with steep sides on both sides,” according to the European Space Agency (ESA). Astronomers spotted it in 1930, but didn’t officially name it until 1976, according to the US Geological Survey.

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