Auroras on Jupiter

On June 2 in 2014
Jupiter's Auroras
Hubble used its ultraviolet vision to observe auroras around Jupiter's north pole. Auroras are formed when charged particles in the space around the planet are accelerated along the planet's magnetic field lines and interact with gases in the atmosphere.
Astronomers are using NASA's Hubble Space Telescope to study auroras – stunning light shows in a planet's atmosphere – on the poles of the largest planet in the solar system, Jupiter.
The auroras were photographed during a series of Hubble Space Telescope Imaging Spectrograph far-ultraviolet-light observations taking place as NASA's Juno spacecraft approaches and enters into orbit around Jupiter. The aim of the program is to determine how Jupiter's auroras respond to changing conditions in the solar wind, a stream of charged particles emitted from the sun.
Auroras are formed when charged particles in the space surrounding the planet are accelerated to high energies along the planet's magnetic field. When the particles hit the atmosphere near the magnetic poles, they cause it to glow like gases in a fluorescent light fixture. Jupiter's magnetosphere is 20,000 times stronger than Earth's. These observations will reveal how the solar system's largest and most powerful magnetosphere behaves.
The full-color disk of Jupiter in this image was separately photographed at a different time by Hubble's Outer Planet Atmospheres Legacy (OPAL) program, a long-term Hubble project that annually captures global maps of the outer planets.
Auroras on Jupiter - NASA Science
Astronomers are using NASA's Hubble Space Telescope to study auroras – stunning light shows in a planet's atmosphere – on the poles of the largest planet in the solar system, Jupiter. The auroras were photographed during a series of Hubble Space Telesc
science.nasa.gov
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