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$100 Million E.T. Hunt Spots 15 Mysterious Light Flashes

A $100 million search for intelligent aliens has spied 15 bizarre, repeating flashes of light coming from a distant galaxy. The galaxy — a dwarf known as FRB 121102 that lies 3 billion light-years from Earth — is a known source of such brief, high-energy fast radio bursts (FRBs). But the newly detected pulses stand out, astronomers said. "Bursts from this source have never been seen at this high a frequency," Andrew Siemion, director of the Berkeley SETI (Search for Extraterrestrial Intelligence) Research Center at the University of California, Berkeley, said in a statement. Siemion is a team member with Breakthrough Listen, a $100 million project that's searching for potential signals from alien civilizations from the 1 million stars closest to the sun, the 100 galaxies nearest our own Milky Way, and the galactic plane. Some researchers think FRBs — which were discovered in 2007 and remain mysterious today — could be such alien signals. For example, astronomers have speculated that FRBs may be generated by powerful lasers designed to blast alien craft through space at high speeds — a propulsion method akin to that being developed by Breakthrough Listen's ambitious sister project, Breakthrough Starshot. (Aliens aren't the only possible explanation, of course; some scientists think FRBs are likely emitted by fast-rotating neutron stars, for instance.) So, FRB 121102 — which, as its name suggests, was discovered on Nov. 2, 2012 — was a natural target for the Breakthrough Listen team, researchers said. The scientists, led by Berkeley SETI Research Center postdoctoral researcher Vishal Gajjar, detected the 15 new pulses on Saturday (Aug. 26) using the Green Bank Telescope in West Virginia.

Read More: Space.com

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