Photo Agency - Astronomy - Space - Nature

> Auroras gallerie

SlideShow Image 189 / 245

Aurora borealis in Alaska 02/2001

auteur: D.Anderson/Novapix

référence: t-met01-11002

Image Size 300 DPI: 30 * 29 cm

This image is taken near Tok, Alaska in the east-central area. This type of green aurora is the most common. It is caused by the excitation of oxygen ataoms at 100 to 150 km altitude. Feb 20 2001.  

Keywords for this photo:

2001 - ALASKA - AURORA - AURORA BOREALIS - BOREAL FOREST - EARTH - HORIZON - LANDSCAPE - MAGNETIC FIELD - MAGNETOSPHERE - NIGHT - SNOW - STAR - TAIGA - TREE - USA - WINTER -