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Voyager 2 is the only spacecraft to visit both Uranus and Neptune

A planetary alignment enabled a close-range flyby tour of four gas giants

Launched in 1977, Voyager 2 took advantage of a rare alignment of outer planets occurring once every 175 years. It completed close flybys of Jupiter, Saturn, Uranus and Neptune, remaining the only human probe to ever provide close-up images and atmospheric measurements of Uranus and Neptune.

Voyager Tour Montage - GPN-2000-000441
NASA ยท Public domain ยท source

Where this comes from

NASA Science

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Tags: voyager 2, uranus, neptune

Voyager 2 is the only spacecraft to visit both Uranus and Neptune: the short answers

Where does this come from, and can I check it?
A planetary alignment enabled a close-range flyby tour of four gas giants. The figure is taken from NASA Science, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
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