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Astronomy Picture of the Day -- A Spiral Aurora over Iceland
NASA ^ | September 15, 2015 | (see photo credit)

Posted on 09/15/2015 8:16:11 AM PDT by SunkenCiv

Explanation: What's happened to the sky? Aurora! Captured late last month, this aurora was noted by Icelanders for its great brightness and quick development. The aurora resulted from a solar storm, with high energy particles bursting out from the Sun and through a crack in Earth's protective magnetosphere a few days later. Although a spiral pattern can be discerned, creative humans might imagine the complex glow as an atmospheric apparition of any number of common icons. In the foreground of the featured image is the Ölfusá River, while the lights illuminate a bridge in Selfoss City. Just beyond the low clouds is a nearly full Moon. The liveliness of the Sun -- and the resulting auroras on Earth -- is slowly diminishing as the Sun emerges from a Solar maximum of surface activity and evolves towards a historically more quite period in its 11-year cycle. In fact, solar astronomers are waiting to see if the coming Solar minimum will be as unusually quiet as the last one, where sometimes months would go by with no discernible sunspots or other active solar phenomena.

September 15, 2015

(Excerpt) Read more at 129.164.179.22 ...


TOPICS: Astronomy; Astronomy Picture of the Day; Science
KEYWORDS: apod; astronomy; aurora; davidenecchi; iceland; science
[Credit and Copyright: Davide Necchi]

1 posted on 09/15/2015 8:16:11 AM PDT by SunkenCiv
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To: brytlea; cripplecreek; decimon; bigheadfred; KoRn; Grammy; steelyourfaith; Mmogamer; dayglored; ...
The Big One

2 posted on 09/15/2015 8:17:48 AM PDT by SunkenCiv (What do we want? REGIME CHANGE! When do we want it? NOW)
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To: SunkenCiv

That is really cool.


3 posted on 09/15/2015 8:21:37 AM PDT by Slyfox (Will no one rid us of this meddlesome president?)
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To: SunkenCiv

I have seen many auroras, but never one like that. Spectacular.


4 posted on 09/15/2015 8:35:12 AM PDT by dainbramaged (Get out of my country now)
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To: SunkenCiv

WOW!


5 posted on 09/15/2015 8:42:09 AM PDT by left that other site (You shall know the Truth, and The Truth Shall Set You Free.)
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To: SunkenCiv

Oh what a heavenly sight.


6 posted on 09/15/2015 9:50:31 AM PDT by Conservative4Ever (ENOUGH!! Man the pitch forks and torches...let the revolution begin!!!)
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To: SunkenCiv

Just beautiful! Do they normally have just two colors? Is green a common color?


7 posted on 09/15/2015 9:51:01 AM PDT by Humal
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To: Slyfox; dainbramaged; left that other site; Conservative4Ever; Humal

It is so great, I didn’t even think about complaining that it’s partly a terrestrial shot. ;’) Have a great day, all.


8 posted on 09/15/2015 10:16:10 AM PDT by SunkenCiv (What do we want? REGIME CHANGE! When do we want it? NOW)
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To: SunkenCiv

Stunning. I live near L.A. and have never seen one personally. That doesn’t mean they can never be seen here. An astronomer friend (Dr. Hugh Ross) who grew up with them in Canada and has lived here for four decades says he has seen them here a couple of times, although greatly diminished, of course.


9 posted on 09/15/2015 11:08:16 AM PDT by Hebrews 11:6 (Do you REALLY believe that (1) God IS, and (2) God IS GOOD?)
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To: SunkenCiv

Amazing. I remember enjoying the auroras up in the yoop, but we never saw anything like this.


10 posted on 09/15/2015 3:51:54 PM PDT by Kommodor (Terrorist, Journalist or Democrat? I can't tell the difference.)
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To: Kommodor

:’)


11 posted on 09/15/2015 3:54:47 PM PDT by SunkenCiv (What do we want? REGIME CHANGE! When do we want it? NOW)
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