What is black and gray and far away?

This global map of asteroid Bennu’s surface is a mosaic of images collected by NASA’s OSIRIS-REx spacecraft.

Enlarge / This global map of asteroid Bennu’s surface is a mosaic of images collected by NASA’s OSIRIS-REx spacecraft. (credit: NASA/Goddard/University of Arizona)

What is black and gray and far away?

The asteroid Bennu is—and on Friday, NASA released an ultra-high resolution image of this planetary body for the first time. Go here to download full-size versions of the mosaic.

Scientists produced the mosaic by stitching together 2,155 images taken by the primary camera on board NASA’s OSIRIS-REx spacecraft about one year ago. With a resolution of 5cm per pixel, NASA says this is the highest resolution mapping ever of a planetary body.

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Source: Ars Technica – What is black and gray and far away?