Question 27
A space probe is a robotic spacecraft that does not orbit Earth, but instead, explores further into outer space. Which is NOT an interstellar probe launched by NASA?
Interpretation note: here “interstellar probe” means a spacecraft on an escape trajectory toward interstellar space, not necessarily one that has already crossed the heliopause.
Interpretation note: here “interstellar probe” means a spacecraft on an escape trajectory toward interstellar space, not necessarily one that has already crossed the heliopause.