Are Japanese Hopping Robots Safe on Asteroid Ryugu? By Mike Wall, Space.com Senior Writer | September 21, 2018 03:00pm ET Japan’s Hayabusa2 spacecraft captured this image of the asteroid Ryugu (and its own shadow) on the night of Sept. 20, 2018, when the probe was about 440 feet (135 meters) above the space rock’s surface. Hayabusa2 was descendingContinue reading “Japanese Asteroid Rovers Make Landings”