UW-Madison: Images of strange solar system visitor

UW-Madison: Images of strange solar system visitor

A strange object zipped through our solar system at high speeds, which gives astronomers a rare opportunity to examine an object from somewhere else in our galaxy.

Astronomers know the object as 1I/2017 U1, measures 180 meters by 30 meters. It has the shape of a fat cigar and is half a city block long.

It was first discovered by astronomers at the University of Hawaii.

UW-Madison: Images of strange solar system visitor

“This object has considerable speed. It is not bound to the sun” like comets or asteroids native to our solar system, explains Ralf Kotulla, a University of Wisconsin-Madison astronomer. “Its orbit doesn’t take it anywhere near the major planets.”

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