The Question: Launched in 1977, Voyager 1 became the first spacecraft to do what?
Enter interstellar space
Land on Venus
Fly past Pluto
Voyager 1 has been on an epic journey for more than 40 years. Its primary mission was to explore Jupiter and Saturn, but the spacecraft continued onward. In 2012, it became the first spacecraft to pass through the heliopause — the boundary between the sun’s solar wind and the interstellar medium.
The Answer: The correct answer is Enter interstellar space.