A common way a robotic spacecraft can be accelerated and have its trajectory changed without the use of any fuel is via
A) a gravitational slingshot from another spacecraft
B) radiation pressure from the Sun
C) the ejection of mass from the probe
D) a gravitational slingshot from another planet

Question

Quizplus · Accepted Answer

A gravitational slingshot from another planet uses the planet's gravity to change the spacecraft's speed and trajectory without using fuel.

A Common Way a Robotic Spacecraft Can Be Accelerated and Have