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Communications of the ACM

ACM Opinion

Have Aliens Found ­s? A Harvard Astronomer on the Mysterious Interstellar Object 'Oumuamua

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Avi Loeb, the chair of Harvard's astronomy department, believes that the peculiar nature of the interstellar object called 'Oumuamua raises questions about its possible origins.

Credit: ESA/Hubble, NASA, ESO, M. Kornmesser

On October 19, 2017, astronomers at the University of Hawaii spotted a strange object travelling through our solar system, which they later described as "a red and extremely elongated asteroid."

From The New Yorker
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