Voyager 2 is a spacecraft built by NASA. It flew by Jupiter, Saturn, Uranus and Neptune. It is now one of the 5 objects heading out of the Solar System. It has a twin spacecraft, Voyager 1. It has passed through the heliosphere, meaning that the solar wind has slowed down. Now many of its instruments are turned off, and it is currently observing the properties of interstellar space.
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