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Aug 26, 2019 · On its outbound journey, Voyager 2 continued to study Neptune until Oct. 2, 1989. In all, it had returned more than 9,000 images of the planet, its rings and its moons as well as a treasure trove of scientific information, tremendously increasing our knowledge of the most distant planet in the solar system.
- Science@NASA
Voyager 2 is the only spacecraft to study all four of the...
- Planetary Voyage
Five hours later, Voyager 2 passed about 40,000 kilometers...
- Neptune: Exploration
1989: Voyager 2 becomes the first and only spacecraft to...
- Science@NASA
Voyager 2 was also to explore Jupiter and Saturn, but on a trajectory that would have the option of continuing on to Uranus and Neptune, or being redirected to Titan as a backup for Voyager 1. Upon successful completion of Voyager 1 's objectives, Voyager 2 would get a mission extension to send the probe on towards Uranus and Neptune. [ 13 ]
Aug 22, 2019 · Voyager 2 and its twin, Voyager 1 (which had also flown by Jupiter and Saturn), continue to send back dispatches from the outer reaches of our solar system. At the time of the Neptune encounter, Voyager 2 was about 2.9 billion miles (4.7 billion kilometers) from Earth; today it is 11 billion miles (18 billion kilometers) from us.
Voyager 2 is the only spacecraft to study all four of the solar system's giant planets at close range. Voyager 2 discovered a 14th moon at Jupiter. Voyager 2 was the first human-made object to fly past Uranus. At Uranus, Voyager 2 discovered 10 new moons and two new rings. Voyager 2 was the first human-made object to fly by Neptune.
- United States of America (USA)
- 1,592 pounds (721.9 kilograms)
- Voyager 2
Five hours later, Voyager 2 passed about 40,000 kilometers (25,000 miles) from Neptune's largest moon, Triton, the last solid body the spacecraft will have an opportunity to study. Neptune is one of the class of planets -- all of them beyond the asteroid belt -- known as gas giants; the others in this class are Jupiter, Saturn and Uranus.
1989: Voyager 2 becomes the first and only spacecraft to visit Neptune, passing about 4,800 kilometers (2,983 miles) above the planet's north pole. 2002: Using improved observing techniques, astronomers discover four new moons orbiting Neptune: Laomedia, Neso, Sao and Halimede. 2003: Another moon, Psamathe, is discovered using ground-based ...
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Voyager 2 studied Neptune's atmosphere, Neptune's rings, its magnetosphere, and Neptune's moons. [6] The Neptunian system had been studied scientifically for many years with telescopes and indirect methods, but the close inspection by the Voyager 2 probe settled many issues [ example needed ] and revealed a plethora of information that could not have been obtained otherwise.
