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Science, Inventions & Space Discuss Auroras Seen on Uranus For First Time at the General Discussion; CAUTION! Carelessly quoting this headline in Church, at a cocktail party, a baby shower, or at work may lead to ...

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Old 04-15-2012, 06:39 AM
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Default Auroras Seen on Uranus For First Time

CAUTION!
Carelessly quoting this headline in Church, at a cocktail party, a baby shower, or at work may lead to a lifetime of humiliating embarrassment!

Carelessly quoting this headline in certain types of drinking establishments and correctional institutions may lead to entrapment as the submissive partner in a very bad personal relationship!


Auroras Seen on Uranus For First Time
4/13/2012

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Thanks to the Hubble Space Telescope, astronomers have caught a rare display of auroras on Uranus, which ranks among the solar system's oddest planets.

Unlike the beautiful, rippling curtains of greenish light we've been seeing in earthly skies over the past few months, the Uranian auroras are short-lived bright spots sitting on top of the ice giant's bluish cloud tops. But they're caused by a similar mechanism, involving the interaction of electrically charged particles with atoms and ions in the planet's upper atmosphere.

NASA's Voyager 2 probe picked up the first evidence of Uranus' auroras in 1986. "Since then, we've had no opportunities to get new observations of this very unusual magnetosphere," Laurent Lamy, an astronomer at the Observatoire de Paris, said today in a news release. There have been a few hints of auroral observations, but Hubble's views from last November rank as the best views yet. Lamy and his colleagues provide the details in a paper published by Geophysical Research Letters.

The team took advantage of a lucky break and a favorable planetary alignment: Last year, Earth, Jupiter and Uranus were lined up so that energetic solar emissions could flow past each planet in turn. When the sun produced several outbursts in September, the astronomers timed the flow of the particle storm past Earth a couple of days later, and then detected the flow past Jupiter two weeks after that. On the basis of those readings, they calculated that the outburst would reach Uranus in mid-November, and scrambled to schedule observing time on the Hubble Space Telescope.
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Last edited by Oftencold; 04-15-2012 at 06:49 AM..
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Old 04-15-2012, 12:47 PM
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Default Re: Auroras Seen on Uranus For First Time

I think a little Calamine Lotion will fix that , OC.
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