Photos: Auroral lights

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  1. St. Patrick's Day green

    The aurora borealis, or northern lights, fill the early morning sky on March 17, 2013, above the Holy Assumption of the Virgin Mary, a Russian Orthodox Church in Kenai, Alaska. (M. Scott Moon / AP) Back to slideshow navigation
  2. Snowy landscape

    The northern lights glow over a snowy Finnish landscape in a photo taken on the night of Jan. 16-17, 2013, by Thomas Kast.

    Watch the time-lapse video on Vimeo. (Thomas Kast) Back to slideshow navigation
  3. Starry night

    Swirls of green and red appear in an aurora over Whitehorse in Canada's Yukon Territory on the night of Sept. 3, 2012. The northern lights were sparked by a storm of electrically charged particles that was thrown off by the sun on Aug. 31. (David Cartier, Sr. / NASA via Reuters) Back to slideshow navigation
  4. View from above

    NASA astronaut Joe Acaba, flight engineer of the Expedition 32 crew onboard the International Space Station, recorded this image of Aurora Australis, also known as the Southern Lights, on July 15, 2012, from an altitude of approximately 240 miles.The Canadarm2 robot arm is in the foreground. (Joe Acaba / NASA via AP) Back to slideshow navigation
  5. Summer delight

    Robert Snache, a photographer living in the Rama First Nation in Ontario, captured this view of the northern lights on the night of July 8-9, 2012. For more about Snache and his work, check out Spirithands Photography on Facebook. (Robert Snache / Spirithands Photography) Back to slideshow navigation
  6. Norwegian lights

    Thorbjørn Haagensen took this picture of the northern lights on April 3, 2012, from Hillesøy, close to Tromsø in northern Norway. The winter season is prime time for auroral displays, but with the onset of spring, the northern lights begin to pale up north. "Beginning in the middle of May, the midnight sun brings sunshine all night long," Haagensen said. (Thorbjørn Haagensen) Back to slideshow navigation
  7. Heavenly glow

    Jonina Oskarsdottir captured this picture of the northern lights on March 8, 2012, over Faskrudsfjordur, Iceland. "No words can describe the experience of the northern lights tonight," Oskarsdottir told SpaceWeather.com. She used a Canon EOS 5D Mark II camera to take the shot, with a Canon 14mm f/2.8L USM II lens set for ISO 1600 ... and a 1-second exposure. (Jonina Oskarsdottir / via AP) Back to slideshow navigation
  8. Alaskan green

    The skies over the frozen Susitna River near Talkeetna, Alaska, are lit up by a display of the northern lights on Jan. 23, 2012. The aurora was enhanced by solar flares in the days preceding the event. (Michael Dinneen / AP) Back to slideshow navigation
  9. Spectral scene

    It's almost as if these two separate events of nature were fuming at each other. The northern lights are seen above the ash plume of Iceland's Eyjafjallajokull volcano on the evening of April 22, 2010. (Lucas Jackson / Reuters) Back to slideshow navigation
  10. Halloween treat

    A geomagnetic storm produced a colorful show of aurora borealis in the skies over Hyvinka in southern Finland on the morning of Oct. 31, 2003. (Pekka Sakki / AFP - Getty Images) Back to slideshow navigation
  11. Majestic mountains and sky

    The colors of sunrise and the northern lights add to this view of a Perseid meteor streak on Aug. 12, 2000, as seen from the Colorado Rockies. (Jimmy Westlake / Colorado Mountain College) Back to slideshow navigation
  12. Graceful ballet of light

    The northern lights dance over the Knik River near Palmer, Alaska, on Nov. 29, 2006. (Bob Martinson / AP) Back to slideshow navigation
  13. Otherworldly feel

    John Carlson of Lutsen, Minn., said he was "surprised by the intense activity of the aurora" on Aug. 29, 2008. He took this beautiful but eerie photograph. (John Carlson / John and Sallie Carlson) Back to slideshow navigation
  14. Midwestern dazzle

    Northern lights are shown above a covered bridge at Wilkinson Pioneer Park in Rock Falls, Iowa, on Nov. 7, 2004. (Arian Schuessler / Mason City Globe Gazette via AP) Back to slideshow navigation
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  1. Image:
    M. Scott Moon / AP
    Above: Slideshow (14) Lights in the sky
  2. Tom Lowe
    Slideshow (15) Astronomical wonders of 2010
updated 9/13/2010 2:49:12 PM ET 2010-09-13T18:49:12

The luminous auroral displays that make up Earth's northern lights may get a boost Monday night from a weekend solar eruption.

Skywatchers in the northern latitudes could see dazzling auroras as a result of the sun eruption that occurred late Friday, according to Spaceweather.com, a website that monitors solar weather.

The eruption was a coronal mass ejection that was not aimed directly at Earth but was expected to deliver a glancing blow to Earth's magnetic field, Spaceweather.com said. It could amplify the aurora displays for skywatchers in parts of Alaska, Canada, Iceland, Greenland and Scandinavia, the web site added.

Coronal mass ejections are huge eruptions of plasma into space. When aimed at Earth, the solar particles stream down the planet's magnetic field lines toward the poles.

The Sept. 10 sun eruption was observed by NASA's Solar Dynamics Observatory, the agency's twin Stereo spacecraft and the Solar Heliospheric Observatory, all of which are constantly studying the sun.

Severe solar storms can cripple satellites and potentially knock out power grids on Earth.

Friday's coronal mass ejection came two days after another powerful solar flare.

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