ebook di Fulvio Romano

martedì 26 marzo 2013

Aurora polare dall'Islanda....

Astronomy Picture of the Day

Bella aurora boreale fotografata dall'Islanda. a poche ore dall'eruzione solare. Il vento solare incendia l'alta atmosfera... Nella foto con pose multiple si vedono le cascate, le stelle e, a sinistra, più fantasmi della cometa PanStarrs

Waterfalls, Auroras, Comet: Iceland

Image Credit & Copyright: Stephane Vetter (Nuits sacrees)

Explanation: If not distracted by the picturesque landscape, waterfalls, stars, and auroras, you might be able to find Comet PANSTARRS. The above image, capturing multiple terrestrial and celestial wonders in a single shot, was taken last week in southwest Iceland. The popular Gullfoss waterfalls are pictured under brilliant auroras that followed a M1-class solar flare and powerful Coronal Mass Ejection two days earlier. Give up on locating the comet? Comet PANSTARRS is faintly visible as a light blip just above the horizon toward the left of the above image. The comet remains more directly visible to northern observers with binoculars looking toward the western sky just after sunset.