Mysterious interstellar object could be 'lightsail' sent from another civilization
NASA may have ruled that Oumuamua, the first interstellar object ever spotted in our system is a "metallic or rocky object" approximately 400 meters in length and 40 meters wide, but a new study from the Harvard Smithsonian Center for Astrophysics says it could be something much more exciting – it could be "a lightsail of artificial origin" sent from another civilization.
via FOX NEWS https://ift.tt/2JE9j57
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