This dramatic panorama shows a colourful, shimmering auroral curtain reflected in a placid Icelandic lake. The image was taken on 18 March 2015 by Carlos Gauna, near Jökulsárlón Glacier Lagoon in southern Iceland.
The celestial display was generated by a coronal mass ejection, or CME – a massive eruption on the Sun – on 15 March. A flotilla of Sun-watching … Read the rest of this article
Auroras are the most visible manifestation of the Sun’s effect on Earth, but many aspects of these spectacular displays are still poorly understood. Thanks to ESA’s Cluster and NASA’s Image satellites working together, a particular type of very high-latitude aurora has now been explained.
Although separated by some 150 million kilometres, the Sun and Earth are connected by the solar … Read the rest of this article
A persistent G1-class geomagnetic storm on Oct 13th (still underway as this alert is being written) has sparked bright auroras around the Arctic Circle, spurring reports of Northern Lights from Scandinavia, Greenland, Canada, and several northern-tier US states. More auroras are in the offing. NOAA forecasters estimate a 40% chance of continued storms on Oct. 14-15 in response to a … Read the rest of this article
The Sun Now (Visible light)
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The Sun Now (H-Alpha light)
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Aurora Oval
(Northern Hemisphere) |
Aurora Oval
(Southern Hemisphere) |
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