The Ten Rarest Weather Phenomena Ever Photographed
On July 6, 1989, physicists at the University of Minnesota aimed a low-light video camera at a distant thunderstorm to test the equipment and accidentally caught the first image of what is now called a red sprite, a burst of lightning firing upward toward space. That first frame was black and white and only proved the flashes were real; their crimson color would not be captured on camera until the mid-1990s. For most of the previous century, pilots who reported those flashes were told they had