Question:

What is the largest canyon?

by Guest3897  |  12 years, 9 month(s) ago

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What is the largest canyon?

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  1. Saba
    The Grand Canyon is billed as the world's largest canyon system. Its main branch is 277 miles (446 kilometers) long. But let's compare. Valles Marineris on Mars extends for about 3,000 miles (4,800 kilometers). If added it to a U.S. map, it would stretch from New York City to Los Angeles. In places this vast scar on the Martian surface is 5 miles (8 kilometers) deep.

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