... team of astronomers have found a giant valley on Mercury that if it existed on Earth would be almost twice as deep as the Grand Canyon and would reach from Washington, D.C. to New York City, and as far west as Detroit. The ‘great valley...
...percent of the near-surface material in the colossal Valles Marineris canyon system appears to be water. This is based on the ...At ten times longer and five times deeper than Earth’s Grand Canyon, Valles Marineris is arguably one of Mars’, and perhaps...
... (no prizes for guessing). Other workshops have been held in Canyonlands, Utah, the Crimea, Yellowstone Park, the Grand Canyon and Meteor Crater, Arizona, and so on; nearly all ‘planetary analogues’. In a sense, they are following in the footsteps...
...’s not readily transferable. It’s like trying to describe what you feel when you’re standing on the rim of the Grand Canyon or remembering your first love, or the birth of your child. You have to be there to really know what it’s like...
... covered huge basins on the planet’s surface. MESSENGER also discovered a ‘great valley’ larger than North America’s Grand Canyon in Mercury’s southern hemisphere. At more than 1000 km (620 miles) long, 400 km (250 miles) wide and 3 km (2 miles...
..., this imposing site is 2,500 kilometre (1,553 miles) across and is more than six times as deep as the Grand Canyon. Because of the basin's great size, the crust is expected to be thinner than typical at this location due to the...