They are best in the Fall or early Spring out in a clear area without ambient lighting like somewhere on the Trans Canada Highway between Winnipeg and Calgary.
QUOTE
What Makes Northern Lights Dance
A collection of ground-based All-Sky Imagers (ASI) captures the aurora brightening caused by a substorm. This network is an important part of the THEMIS mission and is considered the sixth satellite.
By Marc Kaufman
Washington Post Staff Writer
Friday, July 25, 2008
The mysterious sudden brightening and wavelike movements of the aurora borealis, also called the Northern Lights, are caused by periodic explosions of magnetic energy 80,000 miles above Earth, NASA researchers reported.
http://www.washingtonpost.com/wp-dyn/conte...isrc=newsletter
A collection of ground-based All-Sky Imagers (ASI) captures the aurora brightening caused by a substorm. This network is an important part of the THEMIS mission and is considered the sixth satellite.
By Marc Kaufman
Washington Post Staff Writer
Friday, July 25, 2008
The mysterious sudden brightening and wavelike movements of the aurora borealis, also called the Northern Lights, are caused by periodic explosions of magnetic energy 80,000 miles above Earth, NASA researchers reported.
