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Keywords: aurora, Sweden
![Красное полярное сияние над Австралией](https://images.astronet.ru/pubd/2012/02/02/0001255786/redaurora_cherney_960.preview.jpg)
1.02.2012
Why would the sky glow red? Aurora. Last week's solar storms, emanating mostly from active sunspot region 1402, showered particles on the Earth that excited oxygen atoms high in the Earth's atmosphere. As the excited element's electrons fell back to their ground state, they emitted a red glow.
![Полярное сияние над Новой Зеландией](https://images.astronet.ru/pubd/2014/02/26/0001302236/auroraNZ_weir_1820.preview.jpg)
26.02.2014
Sometimes the more you look at an image, the more you see. Such may be the case for this beautiful nighttime panorama taken last week in New Zealand. Visible right off, on the far left, are common clouds, slightly altered by the digital fusion of combining 11 separate 20-second exposures.
![Полярное сияние над Аляской](https://images.astronet.ru/pubd/2010/10/06/0001247417/auroraalaska_alsop.preview.jpg)
6.10.2010
Are those green clouds or aurora? Photographed above two weeks ago, puffy green aurora help the Moon illuminate the serene Willow Lake and the snowy Wrangell and Saint Elias Mountains in eastern Alaska, USA.
![Октябрьские небесные огни](https://images.astronet.ru/pubd/2011/10/30/0001254409/AuroraOntario_MPark900.preview.jpg)
28.10.2011
As northern hemisphere nights grow longer, October is a good month for spotting auroras, or even other eerie apparitions after dark. And this week the night sky did not disappoint. On October 24th a solar coronal mass ejection impacted planet Earth's magnetosphere triggering far ranging auroral displays.
![Октябрьское полярное сияние в небе над прериями](https://images.astronet.ru/pubd/2013/10/07/0001294145/IMG_0228dakotalapse900.preview.jpg)
5.10.2013
Wind and spaceweather are transformed in this haunting night skyscape. The prairie windmill and colorful auroral display were captured on October 1, from central South Dakota, USA, as a good season for aurora hunters came with longer autumn nights.
![Северное сияние над Аляской](https://images.astronet.ru/pubd/2013/12/28/0001297897/FairbanksAurora-07Dec2013wZimmerman900.preview.jpg)
28.12.2013
A remarkably intense auroral band flooded the northern night with shimmering colors on December 7. The stunning sequence captured here was made with a camera fixed to a tripod under cold, clear skies near Ester, just outside of Fairbanks, Alaska.
![Над южным полярным сиянием](https://images.astronet.ru/pubd/2010/07/08/0001245898/ISS023-E-58455sm.preview.jpg)
1.07.2010
On May 29, looking southward from a vantage point about 350 kilometers above the southern Indian Ocean, astronauts onboard the International Space Station watched this enormous, green ribbon shimmering below. Known as aurora australis...
![Северное сияние сентября](https://images.astronet.ru/pubd/2011/09/26/0001253886/C404-5244-6082AuroraTakasaka900.preview.jpg)
23.09.2011
September's equinox arrives today at 0905 UT. As the Sun crosses the celestial equator heading south, spring begins in the southern hemisphere and autumn in the north. And though the seasonal connection is still puzzling, both spring and autumn bring an increase in geomagnetic storms.
![Необычные полярные сияния над северным полюсом Сатурна](https://images.astronet.ru/pubd/2008/11/19/0001231924/saturnhexaurora_cassini.preview.jpg)
19.11.2008
What's causing this unusual aurora over Saturn? No one is sure. Infrared images by the robotic Cassini spacecraft of the north pole of Saturn have uncovered aurora unlike any other seen previously in our Solar System.
![Серебристые облака над Швецией](https://images.astronet.ru/pubd/2007/10/29/0001224153/nlc_heden.preview.jpg)
28.10.2007
Sometimes it's night on the ground but day in the air. As the Earth rotates to eclipse the Sun, sunset rises up from the ground. Therefore, at sunset on the ground, sunlight still shines on clouds above.
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