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Interstellar object 'may be oldest comet ever seen'
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Kareta says that come October, when the comet gets closer to Earth, "under dark skies ... with a big telescope and some ...
Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever encountered.
COLUMBUS, Ohio — In a cosmic first for this decade, astronomers have identified a mysterious comet from another galaxy — ...
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