Hubble trouble: Nasa space telescope's 1980s-era payload computer offline | South China Morning Post

Nasa has spent more than a week trying to fix the Hubble Telescopeࢀ™s computer hardware issues. The problem: a 1980s-era payload computer, which is supposed to control and coordinate scientific instruments aboard the spacecraft and monitor them for health and safety purposes, stopped working June 13, according to a Nasa statement. ࢀœAfter the halt occurred ࢀ¦ the main computer stopped receiving a ࢀ˜keep-aliveࢀ™ signal, which is a standard handshake between the payload and main spacecraft computers to indicate all is well,ࢀ Nasa said in the statement. The payload computer is part of the Science Instrument Command and Data Handling module,…