ESA’s SMART-1 mission in orbit around the Moon has had its scientific lifetime extended by ingenious use of its solar-electric propulsion system (or ‘ion engine’).
More at:
http://www.esa.int/SPECIALS/SMART-1/SEMTM88X9DE_0.html
ESA’s SMART-1 mission in orbit around the Moon has had its scientific lifetime extended by ingenious use of its solar-electric propulsion system (or ‘ion engine’).
More at:
http://www.esa.int/SPECIALS/SMART-1/SEMTM88X9DE_0.html