This computer graphic image provided by the Japan Aerospace Exploration Agency (JAXA) shows the Japanese unmanned spacecraft Hayabusa2 approaching on the asteroid Ryugu. Hayabusa2 is approaching the surface of an asteroid about 280 million kilometers (170 million miles) from Earth. The JAXA said Thursday, Feb. 21, 2019 that Hayabusa2 began its approach at 1:15 p.m. =================================================================== A Japanese spacecraft began its approach Thursday toward a distant asteroid on a mission to collect material that could provide clues to the origin of the solar system and life on Earth. Hayabusa2's descent was delayed for about five hours for a safety check,...