Asteroid Bennu Samples Returned by NASA Reveal Ocean
Pristine analysis in NASA cleanrooms reveals pure magnesium-sodium phosphate, abundant water, and organic building blocks in OSIRIS-REx asteroid samples. Swipe to see →
THE OSIRIS-REX ODYSSEY AND UNLOCKING THE COSMIC
To safeguard the chemical purity of Bennu's regolith, NASA constructed a specialized ISO Class 5 cleanroom laboratory at the Johnson Space Center.
THE MAGNESIUM-SODIUM PHOSPHATE ENIGMA
The most startling discovery emerged when focused electron microprobe beams swept across bright, translucent coatings crusting several millimeter-sized pebbles.
A PRIMORDIAL ORGANIC FACTORY
Beyond the mineral evidence of ancient water, cosmochemists mapped the asteroid's organic inventory with unprecedented molecular sensitivity.
SYSTEMATIC COMPARISON
The empirical divergence between pristine materials retrieved in deep space and meteorites recovered after atmospheric entry illustrates why direct sample return missions are indispensable for modern science.
THE SHATTERED PARENT BODY
By modeling the thermodynamic evolution of Bennu's minerals, NASA geochemists concluded that the 500-meter-wide rubble pile orbiting between Earth and Mars could not have generated this complex chemistry on its own.