Astronomers say they've found a smoking gun that rules out the idea of an energy-harvesting megastructure or Dyson sphere - built by an alien civilization - surrounding Tabby's Star.
Scientists said the solar event "lit up Mars like a light bulb." It was the biggest event of its kind so far observed by spacecraft in Mars orbit and on the surface.
Scott Kuhn captured anticrepuscular rays as the moon was rising over Fort Mountain in northern Georgia. "I know we are spoiled around here," he said, "but tonight sure was pretty."
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