Full Throttle For Deep Space 1 . ... Credit Copyright: Deep Space 1 Project , JPL , NASA Explanation: At full throttle the Deep Space 1 spacecraft's innovative ion drive produces about 1/50th of a pound of thrust ... a force so great that it would just about hold up a piece of paper on planet Earth! ... Deep Space 1 is seen here suspended in an assembly room, a folded solar array resting above the circular ion propulsion module. ... Now, the adventures of Deep Space 1 can continue. ...