An old NASA video (see below) has been restored with better sound and video recently that shows what passed for a giant computer in 1986. The Cray 2 runs at 250 MHz and had two gigabytes of memory ...

This was just one of many old and dead satellites NASA has in orbit. The data gathered by ERBS helped shape the Montreal Protocol Agreement, which was signed in 1987 and saw a dramatic decrease ...

Without a solution, the spacecraft risked drifting away permanently. To maintain contact with Earth, NASA engineers had to switch to a backup thruster system, carefully balancing the spacecraft ...