BIG SPRITES AND COLORFUL AIRGLOW: This week, a colorful "bullseye" formed at the edge of space above a towering thunderstorm in west Texas. An astronomer at the McDonald Observatory captured the display, which also featured a ferocious outburst of sprites. Visit today's edition of Spaceweather.com for a must-see movie and explanations.
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Above: An outburst of sprites and bullseye-shaped airglow above a thunderstorm in Texas. Credit: Stephen Hummel of the McDonald Observatory
