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Which spacecraft has operated the longest in deep space?
SpaceSpacecraft
Quick Answer
Voyager 2 is one of the longest-operating spacecraft in deep space. Launched in 1977, it is still active and has visited all four outer planets.
The Full Story
Voyager 2 has had an extraordinary mission lifespan. Launched on 20 August 1977, it flew by Jupiter, Saturn, Uranus, and Neptune, becoming the only spacecraft to visit all four outer planets. Like Voyager 1, it later crossed into interstellar space and continues to transmit data. Its longevity has provided unique observations of the heliosphere and the boundary of the Solar System.
Key Facts
1.Launched on 20 August 1977
2.Visited Jupiter, Saturn, Uranus, and Neptune
3.Crossed into interstellar space in 2018
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Suggested video title for this topic:
"One spacecraft visited all the outer planets and is still operating decades later."