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Is the solar system’s first “tourist” a spacecraft?

The first interstellar object in the solar system can be an artificial light sail sent to look for signs of life, it claims. In a study released on Thursday, astronomers at the Harvard Smithsonian Center for Astrophysics published their observations of an interstellar object called "Oumuamua". According to the researchers, the rock – the first …

The first interstellar object in the solar system can be an artificial light sail sent to look for signs of life, it claims. In a study released on Thursday, astronomers at the Harvard Smithsonian Center for Astrophysics published their observations of an interstellar object called “Oumuamua”. According to the researchers, the rock – the first …

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