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Valles Marineris

[ val-uhs-mar-uh-nair-is ]

noun

, Astronomy.
  1. a canyon on Mars, 3,100 miles (5,000 km) in length, named after the Mariner spacecraft.


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Example Sentences

“What would a coffee mug or a car or any work of my design that was left in the canyon of the Valles Marineris on Mars for 15,000 years look like?”

There’s plenty of exploration to do, she added, citing the possibility of visiting amazing and exotic sites that spacecraft have imaged from orbit, such as the Valles Marineris canyon system and the Martian polar caps.

To the east was mammoth Valles Marineris, a rift valley that resembles Arizona’s Grand Canyon, only nine times longer.

According to NASA, the Aureum Chaos is a "229-mile wide area in the eastern part of Valles Marineris."

Perhaps places of great natural splendor or scientific interest, such as the Red Planet’s gigantic Valles Marineris canyon, would always remain off-limits.

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