Mastodawn

Early analysis of the sample from Bennu returned by #OSIRISREx contains at least one compound not detected by the spacecraft in situ: magnesium-sodium phosphate. It could indicate the Bennu broke off from a larger water-covered world. #BetterKnowAnAsteroid
https://www.nasa.gov/missions/osiris-rex/surprising-phosphate-finding-in-nasas-osiris-rex-asteroid-sample/

Surprising Phosphate Finding in NASA’s OSIRIS-REx Asteroid Sample - NASA

Scientists have eagerly awaited the opportunity to dig into the 4.3-ounce (121.6-gram) pristine asteroid Bennu sample collected by NASA’s OSIRIS-REx (Origins,

NASA