Phosphate in NASA’s OSIRIS-REx asteroid sample suggests Bennu’s space rock from an ocean world
On September 24, 2023, NASA’s OSIRIS-REx spacecraft dropped to Earth a capsule containing pure carbonaceous regolith collected from the near-Earth asteroid Bennu. These samples were obtained after the probe made an impressive, seven-year round-trip journey across the solar system. Ever since these pieces of space rock arrived (about 120 grams of sample, to be exact),… Read More »