What is black and gray and far away?

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Enlarge / This international map of asteroid Bennu’s floor is a mosaic of photos collected by NASA’s OSIRIS-REx spacecraft. NASA/Goddard/College of Arizona What’s black and grey and much away? The asteroid Bennu is—and on Friday, NASA launched an ultra-high decision picture of this planetary physique for the primary time. Go right here to obtain full-size …
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