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Two intriguing investigations -- One flight-proven spacecraft


EPOXI Mission Trajectory

image of Mission Trajectory Click for full size image. (print .eps)

Caption: The spacecraft is already in orbit (not shown) around the Sun. This graphic shows its trajectory starting from the 2009 Earth Flyby. The spacraft then has another flyby in late June 2010 before heading off to its rendezvous with comet Hartley 2 (red arc) in early November 2010. On the left half of the orbit, it looks like the spacecraft is in the same orbit as the Earth, but this is just because the orbits are projected onto the ecliptic. The spacecraft is actually above the ecliptic by as much as 0.11 AU.

Earth Flybys

Credit: NASA/JPL-Caltech/UMD/GSFC/Tony Farnham

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