EPOXI (Extrasolar Planet Observation and Deep Impact Extended Investigation)
is follow-on mission using the Deep Impact
mission spacecraft. It includes two
- Deep Impact Extended Investigation (DIXI)
- Extrasolar Planet Observation and Characterization (EPOCh)
Deep Impact's primary mission was a close inspection of Comet Tempel 1.
DIXI was a flyby of comet Hartley 2.
EPOCh aimed the spacecraft's
high-resolution instrument at some Extra Solar Planets.