Hubble spots auroras on Uranus

via Current News – Principia Scientific International
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This is a composite image of Uranus by Voyager 2 and two different observations made by Hubble — one for the ring and one for the auroras.
Ever since Voyager 2 beamed home spectacular images of the planets in the 1980s, planet-lovers have been hooked on auroras on other planets. Auroras are caused by streams of charged particles like electrons that come from various origins such as solar winds,…

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via Current News – Principia Scientific International http://ift.tt/1kjWLPW

April 11, 2017 at 01:55AM