Controllers at the Korea Aerospace Research Institute (KARI) have lost touch with the Arirang 1 (Kompsat-1) Earth-observation spacecraft, apparently as a result of failure of the satellite to maintain a lock on the Sun for power generation. “Our efforts to restore communication with the Arirang 1 satellite have been unsuccessful,” says a KARI official, according to press reports from Seoul. Launched in 1999, the spacecraft carries a 6.6-meter (22-ft.) resolution camera. Arirang 2 ...


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