Technology

Asteroid Bennu’s Surface Surprised Scientists – Here’s the Reason for the Mysterious Lack of Fine Regolith

Using data from NASA OSIRIS-REx mission, a University of Arizona-led team of scientists concluded that asteroids with highly porous rocks, such as Bennu, should lack fine-grain material on their surfaces. Scientists thought asteroid Bennu’s surface would be like a sandy beach, abundant in fine sand and pebbles, which would have been perfect for collecting samples. Past telescope observations […]

Technology

Origin Unknown: Over a Thousand Powerful Cosmic Explosions Detected by FAST Telescope in 47 Days

An international research team led by Prof. LI Di and Dr. WANG Pei from National Astronomical Observatories of Chinese Academy of Sciences (NAOC) caught an extreme episode of cosmic explosions from Fast Radio Burst (FRB) 121102, using the Five-hundred-meter Aperture Spherical radio Telescope (FAST). A total of 1,652 independent bursts were detected within 47 days […]