We have sent several spacecraft on trajectories that will ultimately take them into interstellar space (Pioneer 10 and 11,Voyager 1 and 2,New Horizons).How long will it take these spacecraft to travel as far as the nearest stars?
A)a few decades
B)a few hundred years
C)about a thousand years
D)tens of thousands of years

Question

Quizplus · Accepted Answer

The nearest star to our solar system is Proxima Centauri, which is about 4.24 light-years away. Even at their current speeds, it would take tens of thousands of years for the spacecraft to reach that distance, let alone actually travel to the star itself.

We Have Sent Several Spacecraft on Trajectories That Will Ultimately