오로라 와 불무지개
." Northern Lights and Fire Rainbow over Yellowknife , Yukon , Canada Don't skip the last picture THIS NEXT PICTURE IS A FIRE RAINBOW - THE RAREST OF ALL NATURALLY OCCURRING ATMOSPHERIC PHENOMENA. THE PICTURE WAS CAPTURED THIS WEEK ON THE IDAHO / WASHINGTON BORDER. THE EVENT LASTED ABOUT 1 HOUR. CLOUDS HAVE TO BE CIRRUS, AT LEAST 20.000 FEET IN THE AIR, WITH JUST THE RIGHT AMOUNT OF ICE CRYSTAL..