Northern light display – A vibrant green and violet light show dazzles visitors at Wiseman, Alaska in early spring. Altitude effects the colors with blue violets and reds occurring low in the atmosphere. Bright green colors are strongest between 60-150 miles (100-240 km) above the earth. Ruby reds occur above 150 miles or 240 km.
Stock Image #20140320-005601
Aurora Borealis creates green and purple hues was last modified: February 21st, 2018 by