Hubble Captures Vivid Auroras in Jupiter's Atmosphere

by Eric Glaser

Title

Hubble Captures Vivid Auroras in Jupiter's Atmosphere

Artist

Eric Glaser

Medium

Photograph - Digital Photography

Description

Hubble Captures Vivid Auroras in Jupiter's 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.

Object Name: Jupiter Aurora

Image Type: Astronomical

Credit: NASA, ESA, and J. Nichols (University of Leicester)

Uploaded

August 6th, 2016

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