Last week, astronomers using the PanSTARRS 1 telescope perched on the Haleakalā volcano on the island of Maui spotted what they believe is the first comet ever detected that does not orbit the sun. The comet, designated C/2017 U1, appears to have come from the direction of the constellation Lyra, and preliminary observations indicate it has a higher eccentricity than any known comet (1.1815), suggesting it is on a hyperbolic interstellar trajectory.
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