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Juno in launch configuration. Juno is a NASA space probe orbiting the planet Jupiter.It was built by Lockheed Martin and is operated by NASA 's Jet Propulsion Laboratory.The spacecraft was launched from Cape Canaveral Air Force Station on August 5, 2011 UTC, as part of the New Frontiers program. [6]
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.
As the spacecraft turns (it is a spin-stabilzed spacecraft) each antenna takes a "swath" of observations of the giant. [10] Five of the six antennas are all on one side of the spacecraft. [10] The sixth and biggest antenna entirely fills another side the Juno body. [10]
Juno would go on to enter Jupiter's orbit in July 2016. [3] The magnetosphere blocks the charged particles of the solar wind, with the number of solar wind particles Juno encountered dropping 100-fold when it entered the Jovian magnetosphere. [3] Before Juno entered it, it was encountering about 16 solar wind particles per cubic inch of space. [3]
Avoiding signals from the spacecraft is another reason MAG is placed at the end of the solar panel boom, about 10 m (33 feet) and 12 m (39 feet) away from the central body of the Juno spacecraft. [1] [2] The MAG instrument is designed to detect the magnetic field of Jupiter, which is one of the largest structures in the Solar System. [3]
Juno ' s orbit is highly elongated and takes it close to the poles (within 4,300 kilometres (2,700 mi)), but then far beyond Callisto's orbit, the most distant Galilean moon. [12] This orbital design helps the spacecraft (and its complement of scientific instruments) avoid Jupiter's radiation belts, which have a record of damaging spacecraft ...
JIRAM JIRAM data on Jupiter's southern lights, August 2016 Jovian "Hotspot" in visible (top) and near infrared (bottom) from a previous mission. Jovian Infrared Auroral Mapper (JIRAM) is an instrument on the Juno spacecraft in orbit of the planet Jupiter. It is an image spectrometer and was contributed by Italy. [1]
On July 4, NASA's Juno spacecraft successfully reached Jupiter, beginning the mission to understand this mysterious planet.