Bennu is a roughly 0.3-mile-wide (500 meters) asteroid that orbits in near-Earth space. Scientists suspect it’s a chunk of a larger asteroid that broke off due to a collision farther out. Telescope observations and data collected by NASA’s OSIRIS-REx spacecraft showed that Bennu has minerals that have been altered by water. Hence, scientists suspect theContinue reading “Asteroid Bennu sample shows more signs of a watery past”
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