The JAXA space probe Akatsuki entered into orbit around Venus to study the planet's atmosphere, five years after its first attempt failed. JAXA: The Japan Aerospace Exploration Agency (JAXA) is the operator of the Japanese space program and Japan's national aeronautics research agency. It was formed in 2003 through the merger of the Institute of Space and Astronautical Science, the National Aerospace Laboratory of Japan, and the National Space Development Agency of Japan. December 7, 2015. Wiki link