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I’m not saying it’s aliens, but it’s probably aliens: a small asteroid or comet that has been spotted racing through our solar system may have come from elsewhere in the galaxy. The mystery object, so far known only as A/2017 U1, quickly stood out for scientists because of its extreme orbit, coming from the direction of the constellation Lyra, almost directly above the elliptical plane where the planets and other asteroids orbit the sun.
“It is going extremely fast and on such a trajectory that we can say with confidence that this object is on its way out of the solar system and not coming back,” NASA’s Davide Farnocchia said. Astronomers were urgently tracking A/2017 U1 with telescopes as it makes its journey through our solar system, hoping to use that data to confirm the object’s interstellar origins and learn what they can about its composition.
“It is going extremely fast and on such a trajectory that we can say with confidence that this object is on its way out of the solar system and not coming back,” NASA’s Davide Farnocchia said. Astronomers were urgently tracking A/2017 U1 with telescopes as it makes its journey through our solar system, hoping to use that data to confirm the object’s interstellar origins and learn what they can about its composition.