Yeah, and Stardust is going downhill!
The Pluto mission will cover that distance going against the Earth's gravitational attraction. Stardust will use the Earth's gravitational attraction to accelerate the entire distance.
Space/Science » in reply to Makes Stardust look pedestrian
The Pluto mission will cover that distance going against the Earth's gravitational attraction. Stardust will use the Earth's gravitational attraction to accelerate the entire distance.