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Colorful Lightning
Featured on June 29, 2019
"Red sprites" (near center) blast upward from a thunderstorm in this view from the International Space Station. The Moon is rising just beyond the storm, and the "air glow" of Earth's atmosphere forms a light green band, with the lights of the Dallas-Fort Worth region shining brightly. Scientists have made several discoveries about lightning in recent years, including a possible connection to cosmic rays. [NASA]
