Mars Science Laboratory
Several sites in the Margaritifer Sinus quadrangle have been proposed as areas to send NASA's next major Mars rover, the Mars Science Lab. Holden Crater made the cut to be among the top four. Holden Crater is believed to have once been a lake.
The aim of the Mars Science Laboratory is to search for signs of ancient life. It is hoped that a later mission could then return samples from sites identified as probably containing remains of life. To safely bring the craft down, a 12 mile wide, smooth, flat circle is needed. Geologists hope to examine places where water once ponded. They would like to examine sediment layers.
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Read more about this topic: Holden (Martian Crater)
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—Henry David Thoreau (1817–1862)
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—Nancy Hale (b. 1908)