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

Space rocks and asteroid dust are pricey, but these aren't the most expensive materials used in scienceOSIRIS-RE...

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