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ESO Observations Show First Interstellar Asteroid is Like Nothing Seen Before

20 Nov 2017, 16:00 UTC
ESO Observations Show First Interstellar Asteroid is Like Nothing Seen Before ESO/M. Kornmesser

For the first time ever astronomers have studied an asteroid that has entered the Solar System from interstellar space. Observations from ESO’s Very Large Telescope in Chile and other observatories around the world show that this unique object was traveling through space for millions of years before its chance encounter with our star system. It appears to be a dark, reddish, highly-elongated rocky or high-metal-content object. The new results appear in the journal Nature on 20 November 2017.

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