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NASA finds multi-billion-year-old 'coral' on Mars
NASA's Curiosity rover has snapped black and white images of a rock on the Martian surface that looks remarkably like a piece of coral.
A black and white picture taken with Curiosity's Remote Micro Imager — a high-resolution, telescopic camera that is mounted on the rover — and shared by NASA in a statement on Aug. 4 shows the approximately 1-inch-wide (2.5 centimeters) rock with its intricate branches. These veins form the strange branches of the coral-shaped object that we see in Curiosity's picture today, after millions of years of erosion by sand-laden winds wore away the rock. The rover's mission, led by NASA's Jet Propulsion Laboratory in California, is to scan the Martian surface for any signs that it was habitable at any point in the distant past.
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