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Juno also studies Jupiter's deep winds, [58] [59] which can reach speeds of 600 km/h. [60] [61] Among early results, Juno gathered information about Jovian lightning that revised earlier theories. [62] Juno provided the first views of Jupiter's north pole, as well as insights about Jupiter's aurorae, magnetic field, and atmosphere. [63]
Juno completed a five-year cruise to Jupiter, arriving on July 5, 2016. [7] The spacecraft traveled a total distance of roughly 2.8 × 10 ^ 9 km (19 AU; 1.7 × 10 ^ 9 mi) to reach Jupiter. [20] The spacecraft was designed to orbit Jupiter 37 times over the course of its mission. This was originally planned to take 20 months. [4] [5]
Juno Radiation Vault (the box being lowered onto the partially constructed spacecraft) in the process of being installed on Juno, 2010 Juno Radiation Vault is shown attached, but with the top open and some of the electronics boxes inside the vault can be seen The cube shaped JRV can be seen in between the un-wrapped main dish and the larger hexagonal main spacecraft body.
On Tuesday, NASA released the first set of images from Juno's in-orbit view and as expected, they are spectacular.
Jupiter may be best known as the planetary titan of our solar system with a comparatively small red mark — that still dwarfs the entirety of Earth — and rows of striations going from pole to pole.
Cassini–Huygens also flew past Jupiter for a gravity assist on its mission to explore Saturn. Only three of the missions to the outer planets have been orbiters: Galileo orbited Jupiter for eight years, while Cassini orbited Saturn for thirteen years. Juno has been orbiting Jupiter since 2016.
The New Frontiers program is a series of space exploration missions being conducted by NASA with the purpose of furthering the understanding of the Solar System. [2] The program selects medium-class missions which can provide high science returns.
Global image of Jupiter's moon Io acquired by Juno's JunoCam camera on 30 December 2023. The Juno spacecraft was launched in 2011 and entered orbit around Jupiter on July 5, 2016. Juno ' s mission is primarily focused on improving our understanding of Jupiter's interior, magnetic field, aurorae, and polar atmosphere. [88]