Water-bearing clays found in rocks from the asteroid Bennu support theories about how water may have made it to Earth in the distant past.
Rocks and soil collected from the asteroid Bennu and brought back to Earth last month by NASA's OSIRIS-REx probe are rich in carbon and contain water-bearing clay minerals that date back to the birth of the solar system, scientists said Wednesday. The discovery gives critical insight into the formation of our planet and supports theories about how water may have arrived on Earth in the distant past.
'They are crucial elements in the formation of our own planet, and they're going to help us determine the origin of elements that could have led to life.'Once TAGSAM is opened and the entire sample is categorized, about 25% will be reserved for study by the OSIRIS-REx team at the Johnson Space Center. Another 4% will be shared with the Canadian Space Agency, which supplied the OSIRIS-REx laser altimeter instrument, and about 0.
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