A. Apollo 1
B. Sputnik
C. Apollo II
D. Voyager 1
Submitted by: zabih
Voyager 1 was the first spacecraft to cross the heliosphere, the boundary where the influences from outside our solar system are stronger than those from our Sun. Voyager 1 is the first human-made object to venture into interstellar space.
Correct Answer: Voyager 1 ✔
Last Updated: June 29, 2024