The sample analysis detected 14 out of the 20 amino acids used by life on Earth to create proteins, as well as all five nucleobases essential
Scientists found 11 minerals in Bennu samples, including calcite, halite, and sylvite, that form when water with dissolved salts evaporates over time, leaving solid crystals. Similar brines have been detected on Ceres and Enceladus.
Scientists have detected organic compounds and minerals necessary for life in the samples collected by the OSIRIS-REx mission from a near-Earth asteroid named Bennu.
The building blocks for life, including salts, organic matter and amino acids have been found in samples returned to Earth from outer space.
Rock and dust samples retrieved by NASA from the asteroid Bennu exhibit some of the chemical building blocks of life, according to research that provides some of the best evidence to date that such space rocks may have seeded early Earth with the raw ingredients that fostered the emergence of living organisms.
Bennu samples brought back by a University of Arizona-led space mission contain the key ingredients of life and signs of the stew needed to mix them.
NASA's Osiris-Rex mission has uncovered invaluable samples from asteroid Bennu, revealing ancient salty minerals and amino acids. This discovery suggests that asteroids could have contributed to the origins of life on Earth.
NASA scientists discovered a plethora of precursors to life on the asteroid Bennu, demonstrating the importance of Earthbound sample-return missions.
"The detection of these key building blocks of life in the Bennu samples supports the theory that asteroids and their fragments seeded the early Earth with the raw ingredients that led to the emergence of life," said astrobiologist Dr Danny Glavin of NASA's Goddard Space Flight Center in Maryland, lead author of one of the studies.
The study of asteroid samples is a highly lucrative area of research and one of the best ways to determine how the Solar System came to be. Given that asteroids are leftover material from the formation of the Solar System,
Asteroid Bennu’s dust reveals amino acid precursors and ancient water traces, fueling hopes that Saturn’s moon Enceladus and other icy worlds might harbor life.
Nasa said that the findings do not show evidence for life itself, but they do suggest the conditions necessary for the emergence of life were widespread across the early solar system.