NASA spacecraft finds signs of water on Bennu asteroid

NASA’s OSIRIS-REx spacecraft has found water on the asteroid Bennu, after finishing its two-year trip to the formation.

Sitting 12 miles (19 kilometres) from the surface, the probe has discovered water hidden inside the asteroid’s clay minerals, thanks to data obtained from the probe’s spectrometers.

During its two-year, 1.4 million-mile (2.2 million-kilometre) trip to the asteroid, instruments aboard OSIRIS-REx — that’s the Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer — began to make scientific observations of Bennu between mid-August and early December. Read more…

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