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The Conversation USA

Space rocks and asteroid dust are pricey, but these aren't the most expensive materials used in science

  • Written by Chris Impey, University Distinguished Professor of Astronomy, University of Arizona
imageMeteorites can get pricey, but they're not the most expensive material. AP Photo/Thibault Camus

After a journey of seven years and nearly 4 billion miles, NASA’s OSIRIS-RExspacecraft landed gently in the Utah desert on the morning of Sept. 24, 2023, with a precious payload. The spacecraft brought back a sample from the asteroid Bennu.

imageOSIRIS-RE...

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