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To Mars - Step by Step

To Mars - Step by Step
To Mars - Step by Step In the afternoons of Mars’ northern summer, it’s not uncommon to see clouds over the planet’s Tharsis volcanoes, visible just below center in this image. The bright white cloud at left hovers over Olympus Mons. This portrait, completed on April 10, 1999, is a computer-enhanced color composite of red and blue image strips taken by Mars Global Surveyor in March 1999. MSSS/NASA