American scientists said in January said 648,000 comets would be required to explain the decreased brightness from Tabby's star, but similar findings were seen in other stars of its kind. Photo: Danielle Futselaar/SETI International

Studies pour cold water on idea of alien megastructures around a distant star

Comets and changes in telescopes offered up as explanation for star's dimming brightness.

Topic |   UFOs and Extraterrestrial Life

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American scientists said in January said 648,000 comets would be required to explain the decreased brightness from Tabby's star, but similar findings were seen in other stars of its kind. Photo: Danielle Futselaar/SETI International
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