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To MARS with MER - MARS the Planet

The Red Planet

Thanks to the Mars Global Surveyor and its Laser Altimeter we now know the vertical profile of the planet, to a precision rivaling that for Earth.

With a clever blend of radio science and remote sensing we can even look below the surface to see the thickness of the Martian crust.

And on that surface in 1997, "Sojourner" the first rover on Mars became a mechanical geologist, rolling up to a series of rocks and sniffing out their chemistry.

Mission Links:
 • Athena Mars Exploration Rovers
 • NASA Mars Exploration Rovers
 • 2001 Mars Odyssey
 • Mars Express
 • Mars Global Surveyor
 • Mars Pathfinder
 • Viking Project
 • Mariner
 • Mars Rover Surprises Continue; Spirit, Too, Finds Hematite
 • Mars Rover Finds Rock Resembling Meteorites That Fell to Earth
 • Opportunity Rover Finds Strong Evidence Meridiani Planum Was Wet
 • Mars Rover Pictures Raise 'Blueberry Muffin' Questions
 • NASA's Mars Odyssey Changes Views about Red Planet
 • Scientists Say Mars Has a Liquid Iron Core
 • Snow Gullies on Mars
 • Mars Quick Facts
Additional Links:
 • Mars Exploration Homepage
 • JPL's Solar System Exploration
 • The Nine Planets
 • Views of the Solar System
 • Windows to the Universe
The Red Planet    1     2     3    4     5