X-RAY SATELLITES SATELLITES & SPACE PROBES A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z           HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site Ginga A Japanese X-ray satellite, launched by ISAS (Institute of Space and Astronautical Science), that measured the time variability of X-rays from active galaxies and quasars in the energy range 1-500 keV. Ginga, which means "galaxy," was known before launch as Astro-C (see Astro- series). It was the third Japanese X-ray astronomy mission, following Hakucho and Tenma. Ginga reentered the Earth's atmosphere on November 1, 1991. launch date Feb. 5, 1987 launch vehicle M-5 launch site Kagoshima orbit 395 × 450 km × 31° mass 420 kg Related entry    • X-ray satellites Related categories    • JAPANESE SPACECRAFT    • SATELLITES AND SPACE PROBES    • JAPAN IN SPACE Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP