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Started by Unbeliever, December 22, 2017, 03:00:59 pm
QuoteAstronomers recently scrambled to observe an intriguing asteroid that zipped through the solar system on a steep trajectory from interstellar space--the first confirmed object from another star. Now, new data reveal the interstellar interloper to be a rocky, cigar-shaped object with a somewhat reddish hue. The asteroid, named 'Oumuamua by its discoverers, is up to one-quarter mile (400 meters) long and highly-elongated--perhaps 10 times as long as it is wide. That aspect ratio is greater than that of any asteroid or comet observed in our solar system to date. While its elongated shape is quite surprising, and unlike asteroids seen in our solar system, it may provide new clues into how other solar systems formed.
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