M-3C-4 launched the CORSA-b X-ray astronomy satellite, renamed Hakucho, from Kagoshima Space Center on 21 February 1979. The successful replacement mission became Japan's first orbiting X-ray observatory.
M-3C-4 launched the CORSA-b X-ray astronomy satellite, renamed Hakucho, from Kagoshima Space Center on 21 February 1979. The successful replacement mission became Japan's first orbiting X-ray observatory.