NASA says interstellar object pays ‘visit’ to our Solar System

A small asteroid or comet that has been spotted racing through our solar system may have come from elsewhere in the galaxy, U.S. space scientists say, possibly marking the first such interstellar visitor observed from Earth.(photo grabbed from Reuters video)

Reuters — A small asteroid or comet that has been spotted racing through our solar system may have come from elsewhere in the galaxy, U.S. space scientists say, possibly marking the first such interstellar visitor observed from Earth.

The mystery object, so far known only as A/2017 U1, was discovered earlier this month by a researcher using a sophisticated telescope system at the University of Hawaii that continually scans the universe for such phenomenon.

The mass, a quarter mile (400 meters) in diameter, 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 crossed under that plane just outside Mercury’s orbit on Sept. 2 before being slung by the sun’s massive gravity into a sharp turn under our solar system. The closest the object came to Earth was about 15 million miles away on Oct. 14.

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