2007 41c Polar Lights: Aurora Borealis

U.S. #4203

2007 41¢ Aurora Borealis

Issue Date: October 1, 2007
City: Washington, DC
Quantity: 80,000,000

Printed By: Ashton-Potter (USA) Ltd

Printing Method: Lithographed

Perforations: Serpentine die cut 10 ¾

Color: Multicolored

The spectacular colored lights of the aurora borealis can be seen in an oval area centered around the North Pole. The lights are the result of a collision between solar wind-driven charged particles and atoms of gases in the Earth's protective atmosphere.