Friday, July 31, 2009 • 1:09 PM • 0 comments
Many probes have visited Mars through the years because it is so close to Earth. Viking, Pathfinder, Sojourner, and Mariner are only a few. The Viking Lander checked out the surface of Mars in the 1970's. It sent back some great pictures of the red surface of the planet. The surface is a reddish color because the rocks and crust are chock full of iron compounds. For several years, the two Mars Exploration Rovers have been studying the surface rocks in detail. They have been able to travel to many locations in a small area. With patience, the rovers have made many new discoveries about the geologic history of Mars.
All of these probes have also shown us a great deal of the Martian surface. Mars has the largest volcano ever discovered. It has been named Olympus Mons and is one of the most amazing features of the planet. The Mars Reconnaissance Orbiter will soon photograph the location in higher resolution than before. The probes have also discovered many channels that cross the surface. Those channels may have been created by flowing water and erosion on the surface and the mountains.
xoxo, Mrs. Zayn Malik
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