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Mars Express Orbiter Sees a Massive Canyon System

The Mars Express Orbiter recently imaged a canyon system on the Red Planet that is nearly 10 times longer, 20 times wider, and five times deeper than Earth’s Grand Canyon.

The massive feature is called Valles Marineris (Mariner Valleys) and it’s the largest canyon system in the solar system. According to an ESA release, if it were on Earth, the canyon system would stretch from the northern tip of Norway to the bottom of Sicily.

Mars Express has been orbiting the Red Planet since 2003 and has captured remarkable views of the planet’s geological features from above. The satellite is also charged with studying the Martian atmosphere and mapping the planet’s mineral makeup.

The orbiter also peered below the planet’s surface, thanks to its MARSIS instrument; those observations have shined light on what lies beneath the Martian south pole.

The recently imaged system is characterized by two main trenches, the 522-mile Ius Chasma and the 500-mile Tithonium Chasma. The trenches are over 4 miles deep in some places. The area of the chasms was imaged by the orbiter’s High Resolution Stereo Camera on April 21, in what was the spacecraft’s 23,123rd orbit around Mars. The orbiter took true color images of the chasmata, showing us how the structures would appear to the naked eye.

Read more at Gizmodo.com

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