An image of deep fractures in the Nili Fossae region of Mars. The steep-sided canyons are up to 500 meters (1600 feet) deep. They were probably formed when the impact of a large meteor released a flow of basalt that cracked the planet's crust.
An image of deep fractures in the Nili Fossae region of Mars. The steep-sided canyons are up to 500 meters (1600 feet) deep. They were probably formed when the impact of a large meteor released a flow of basalt that cracked the planet's crust.
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