Astronomy Picture of the Day
    

Keywords: aurora, Oklahoma, solar activity
Южное полярное сияние Aurora Australis
4.07.2015

Not fireworks, these intense shimmering lights still danced across Earth's night skies late last month, seen here above the planet's geographic south pole. The stunning auroral displays were triggered as a coronal mass ejection blasted from the Sun days earlier impacted the magnetosphere, beginning a widespread geomagnetic storm.



Спиральное полярное сияние над Исландией A Spiral Aurora over Iceland
15.09.2015

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.



Полярное сияние на заднем дворе Aurora in the Backyard
18.03.2015

On the night of March 17/18 this umbrella of northern lights unfolded over backyards in Vallentuna, Sweden about 30 kilometers north of Stockholm. A result of the strongest geomagnetic storm of this solar cycle...



Полярное сияние над исландским ледником Aurora over Icelandic Glacier
9.03.2015

Several key conditions came together to create this award-winning shot. These included a dark night, few clouds, an epic auroral display, and a body of water that was both calm enough and unfrozen enough to show reflected stars.



Звездная ночь в Исландии A Starry Night of Iceland
17.05.2011

On some nights, the sky is the best show in town. On this night, the sky was not only the best show in town, but a composite image of the sky won an international competition for landscape astrophotography. The above winning image was taken two months ago over JЖkulsАrlСn, the largest glacial lake in Iceland.



Пещера с северным сиянием Cave with Aurora Skylight
22.07.2014

Yes, but have you ever seen aurora from a cave? To capture this fascinating juxtaposition between below and above, astrophotographer Bjargmundsson spent much of a night alone in the kilometer-long RaufarhСlshellir lava cave in Iceland during late March. There, he took separate images of three parts of the cave using a strobe for illumination.



Полярное сияние и Млечный путь на маленьком небе Aurora and Milky Way in a Little Sky
3.10.2014

Stepping stones seem to lead to the Milky Way as it stretches across this little sky. Of course, the scene is really the northern hemisphere's autumnal equinox night. Water and sky are inverted...



Полярное сияние надо льдом Aurora on Ice
12.02.2015

Not from a snowglobe, this expansive fisheye view of ice and sky was captured on February 1, from Jökulsárlón Beach, southeast Iceland, planet Earth. Chunks of glacial ice on the black sand beach glisten in the light of a nearly full moon surrounded by a shining halo.



Полярное сияние в форме флага над Швецией A Flag Shaped Aurora over Sweden
30.03.2015

It appeared, momentarily, like a 50-km tall banded flag. In mid-March, an energetic Coronal Mass Ejection directed toward a clear magnetic channel to Earth led to one of the more intense geomagnetic storms of recent years. A visual result was wide spread auroras being seen over many countries near Earth's magnetic poles.



Корона полярного сияния над Норвегией Auroral Corona over Norway
14.10.2014

Higher than the highest mountain lies the realm of the aurora. Auroras rarely reach below 60 kilometers, and can range up to 1000 kilometers. Aurora light results from energetic electrons and protons striking atoms and molecules in the Earth's atmosphere.




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