TOKYO--(BUSINESS WIRE)--Dentsu Inc. (TOKYO: 4324) (ISIN: JP3551520004) (President & CEO: Tadashi Ishii; Head Office: Tokyo; Capital: 74,609.81 million yen) announced today that Kirobo, the robot astronaut that spent eighteen months aboard the International Space Station (ISS), is scheduled to return to Earth tomorrow. According to the National Aeronautics and Space Administration (NASA) in the USA, Kirobo will board SpaceX’s CRS-5 Dragon cargo supply spacecraft at 7:09 p.m. on Tuesday, Febr