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To MARS with MER - MARS the Planet

MARS the Planet

Images courtesy of
NASA/JPL/Malin Space Science Systems

This giant volcano, Olympus Mons, is 3 times higher than Mount Everest, and as wide as Arizona.

A huge rift valley, "Valles Marineris", is so long it would stretch clear across the United States, and it's 4 times deeper than the Grand Canyon.

Images courtesy of
NASA/Mars Orbiter Laser Altimeter (MOLA) Team

Images courtesy of
NASA's Jet Propulsion Laboratory

In the 1970's spacecraft orbiting Mars sent back images that looked like river valleys, as if they'd been carved by flowing water. But Mars in modern times is very cold, with nighttime temperatures falling to one hundred below. And its atmosphere is now so thin that liquid water can't last on its surface.

Mars the Planet    1    2    3    4