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How many planets have we visited

Nine spacecraft have been launched on missions that involve visits to the outer planets1. All nine missions involve encounters with Jupiter, with four spacecraft also visiting Saturn. One spacecraft, Voyager 2, also visited Uranus and Neptune1. Since the 1990s, a total of 16 minor pl

How many planets have we visited

About How many planets have we visited

Nine spacecraft have been launched on missions that involve visits to the outer planets1. All nine missions involve encounters with Jupiter, with four spacecraft also visiting Saturn. One spacecraft, Voyager 2, also visited Uranus and Neptune1. Since the 1990s, a total of 16 minor planets – various asteroids, dwarf planets, and Kuiper belt objects – have been visited by space probes2.

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6 FAQs about [How many planets have we visited]

How many spacecraft have visited the outer planets?

It is the only program that visited all four outer planets. A total of nine spacecraft have been launched on missions that involve visits to the outer planets; all nine missions involve encounters with Jupiter, with four spacecraft also visiting Saturn. One spacecraft, Voyager 2, also visited Uranus and Neptune.

How many planets did Voyager visit?

Montage of planets and some moons that the two Voyager spacecraft have visited and studied. It is the only program that visited all four outer planets. A total of nine spacecraft have been launched on missions that involve visits to the outer planets; all nine missions involve encounters with Jupiter, with four spacecraft also visiting Saturn.

How many times has Jupiter been visited?

Jupiter has been visited a total of six times, while Saturn has been visited five times. Of the more than 20 confirmed dwarf planets in our solar system, only two have been visited by spacecraft: Ceres and Pluto. Ceres is the closest dwarf planet to Earth and orbits in the Asteroid Belt, between the orbits of Mars and Jupiter.

How many times has Voyager visited Jupiter and Saturn?

Both spacecraft visited Jupiter and Saturn, while Voyager 2 went on to visit Uranus and Neptune, becoming the first and only mission to those two planets. Jupiter has been visited a total of six times, while Saturn has been visited five times.

Which planets have been explored in space?

There have been journeys to the inner planets: the Messenger, Magellan and Mariner spacecraft to Mercury and Venus. There have, too, been expeditions to Jupiter and Saturn and their colorful flocks of moons. Asteroids and comets and the sun itself have also been studied up close. Many of the missions are ongoing.

How many spacecraft have visited Saturn?

First interplanetary probe to the outer Solar System planets not launched by the United States and the first set to orbit a moon (Ganymede) other than Earth's Moon. Four spacecraft have visited Saturn; Pioneer 11, Voyager 1 and Voyager 2 made flybys, while Cassini–Huygens entered orbit, and deployed a probe into the atmosphere of Titan.

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