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Artist's depiction of Pioneer 10, the first spacecraft to visit Jupiter. The exploration of Jupiter has been conducted via close observations by automated spacecraft.It began with the arrival of Pioneer 10 into the Jovian system in 1973, and, as of 2024, has continued with eight further spacecraft missions in the vicinity of Jupiter and two more en route.
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.
Thus, the Sun occupies 0.00001% (1 part in 10 7) of the volume of a sphere with a radius the size of Earth's orbit, whereas Earth's volume is roughly 1 millionth (10 −6) that of the Sun. Jupiter, the largest planet, is 5.2 AU from the Sun and has a radius of 71,000 km (0.00047 AU; 44,000 mi), whereas the most distant planet, Neptune, is 30 AU ...
The spacecraft generated an infrared map of the planet, which confirmed the idea that the planet radiated more heat than it received from the Sun. [51] Crescent images of the planet were then returned as Pioneer 10 moved away from the planet. [52] As the spacecraft headed outward, it again passed the bow shock of Jupiter's magnetosphere.
Mission consists of two spacecraft, which were the first spacecraft to reach Earth–Moon Lagrangian points. Both moved through Earth–Moon Lagrangian points, and are now in lunar orbit. [34] [35] WIND: Sun–Earth L 2: NASA: Arrived at L 2 in November 2003 and departed April 2004. Gaia Space Observatory: Sun–Earth L 2: ESA: Launched 19 ...
The nearest star is 4.2 light-years away, and at 15.341 km/s, the spacecraft travels one light-year in about 19,541 years - during which time the nearby stars will also move substantially. In roughly 42,000 years, Voyager 2 will pass the star Ross 248 (10.30 light-years away from Earth) at a distance of 1.7 light-years. [ 94 ]
The spacecraft is expected to send back detailed data about its condition and experiences on January 1. Nasa said: “Following its record-breaking closest approach to the sun, Nasa’s Parker ...
In February 1992, Ulysses passed close to Jupiter, utilizing its gravity to alter its trajectory and propel it into a high-inclination orbit around the Sun. This enabled the spacecraft to study the Sun's polar regions. Given its distance from the Sun during the mission, Ulysses could not rely on solar panels for power.