Voyager 2 Just Made an “Impossible” Encounter at the Edge of the Solar System
1. The Legendary Journey
- Voyager 2, launched in 1977, has traveled over 12 billion miles (20 billion km) from Earth.
- It’s the only spacecraft to visit all four giant planets — Jupiter, Saturn, Uranus, and Neptune.
- In 2018, it crossed the heliopause — the invisible boundary where the Sun’s influence ends, and interstellar space begins.
2. The “Impossible” Encounter
Recently, Voyager 2’s instruments picked up data that stunned scientists: