Aurora on Saturn

Streams of charged particles blasted from the sun collide with Saturn’s magnetic field, creating an aurora on the planet’s south pole. Unlike Earth’s relatively short-lived auroras, Saturn’s can last for days. Scientists combined ultraviolet images of the auroras, taken by Hubble over a period of days, with visible-light images of the ringed planet. The aurora appears blue because of the ultraviolet camera, but a Saturn-based observer would see red light flashes.


Credit: NASA, ESA, J. Clarke (Boston University), and Z. Levay (STScI) + thebigcheese

Aurora on Saturn

Streams of charged particles blasted from the sun collide with Saturn’s magnetic field, creating an aurora on the planet’s south pole. Unlike Earth’s relatively short-lived auroras, Saturn’s can last for days. Scientists combined ultraviolet images of the auroras, taken by Hubble over a period of days, with visible-light images of the ringed planet. The aurora appears blue because of the ultraviolet camera, but a Saturn-based observer would see red light flashes.

Credit: NASA, ESA, J. Clarke (Boston University), and Z. Levay (STScI) + thebigcheese


Posted 9 months ago with 984 notes
Tagged:saturnAstronomyspacescienceNASAhubble space telescopeaurora

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