Jupiter Icy Moons Orbiter
Videos
The Jupiter Icy Moons Orbiter was a proposed NASA spacecraft designed to explore the icy moons of Jupiter. The main target was Europa, where an ocean of liquid water may harbor alien life. Ganymede an
Artist's conception of the JIMO spacecraft exploring Jupiter and its moons
Forward view of JIMO
NEXIS ion engine test (2005)
HiPEP ion engine test (2003)
Project Prometheus
Videos
Project Prometheus was established in 2003 by NASA to develop nuclear-powered systems for long-duration space missions. This was NASA's first serious foray into nuclear spacecraft propulsion since the
Nuclear reactors could be used to power ion engines such as this one used on Deep Space 1.