John Brownlee at Cult of Mac has this tidbit of info about the computer on NASA’s Curiosity rover:
This computer, in turn, is based on the IBM PowerPC 750 CPU, which Intel (sic) first introduce (sic) on November 10, 1997. This CPU was used by Apple in many computers in the late 1990s, including the original iMac.
Unfortunately Brownlee makes a spelling and fact error in his post. The chip was designed by IBM and Motorola, not Intel. As for the computer’s iMac roots, it’s not surprising, after looking at the computers the team in mission control uses.