Rocket Ships Weren’t Enough
There’s only so much that astronauts like Buzz Aldrin and Neil Armstrong could do to further humanity’s knowledge of the universe when they first landed on the moon in 1969. It’s why NASA sent probes like the Voyager 1, Voyager 2, Pioneer 10, Pioneer 11 and New Horizons to help us understand our solar system and beyond. But that wasn’t enough.