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Investigating a 400-Year-Old Phenomenon
Louise Reader
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The “Ashen Light” of Venus—a ghostly emission of light from the night side of our nearest planetary neighbor—is among the last unsolved mysteries of astronomical history. In the four centuries since the phenomenon was first reported, highly reputable visual observers of Venus have recorded seeing the Ashen Light, while others have spent a lifetime searching for it without once being convinced that they ever saw it.
Is the Ashen Light a trick of the eye? The result of a defective lens? A real scientific event?
This baffling story will appeal to amateur astronomers, hobbyists, and lay readers interested in joining the debate about one of the most elusive observable phenomena ever recorded in the night sky.
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