Sugars, ‘Gum,’ Stardust Found In NASA’s Asteroid Bennu Samples
NASA’s OSIRIS-REx samples from asteroid Bennu have revealed bio-essential sugars, a never-before-seen “space gum” polymer, and unusually high levels of supernova-origin dust. The findings bolster the RNA-world hypothesis, suggest complex organics formed early on Bennu’s parent body, and show preserved presolar grains that escaped alteration for billion … ⌘ Read more