Alan Pearce said > One of my colleagues is working on an instrument that is going on an ion > propelled spacecraft, to go into orbit around the moon. The ion motor will > be used to accelerate the spacecraft in orbit around the earth until the > orbit is eventually large enough that the spacecraft is captured by the > moons gravitational force. It will take something like 18 months to reach > the moon! > > This particular spacecraft (known as Smart1) is a demonstration one for the > use of ion motors. I believe the successor to it will be used to go and > explore other planets. Google search using smart-1 and ion to get almost 500 hits. RM -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu