First interstellar asteroid is like nothing seen before

171120120935 1 540x360 720x340 - First interstellar asteroid is like nothing seen before
This artist's impression shows the first interstellar asteroid: `Oumuamua. This unique object was discovered on Oct. 19, 2017 by the Pan-STARRS 1 telescope in Hawai`i. Subsequent observations from ESO's Very Large Telescope in Chile and other observatories around the world show that it was travelling through space for millions of years before its chance encounter with our star system. `Oumuamua seems to be a dark red highly-elongated metallic or rocky object, about 400 metres long, and is unlike anything normally found in the Solar System. Credit: ESO/M. Kornmesser

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