This view of asteroid Bennu ejecting particles from its surface on January 19 was created by combining two images taken by the NavCam 1 imager onboard NASA’s OSIRIS-REx spacecraft: a short exposure image (1.4 ms), which shows the asteroid clearly, and a long exposure image (5 sec), which shows the particles clearly. Other image processing techniques were also applied, such as cropping and adjusting the brightness and contrast of each layer. Credit: NASA/Goddard/University of Arizona/Lockheed Martin

Meet Bennu, Who Is a Little Strange


OSIRIS-REx, the very ambitious effort to obtain a sample from an asteroid in space, is a success to this point. The manmade satellite is in orbit around the small asteroid 101955 Bennu. It’s a triumph of celestial navigation and technology. There were serious critics of the OSIRIS-REx’s mission, who asked “What was the point, what…