English: This artist’s impression shows the first interstellar asteroid: `Oumuamua. This unique object was discovered on 19 October 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.
Français : Vue d'artiste représentant le premier asteroïde interstellaire nommé « ʻOumuamua ». Il a été découvert le 19 octobre 2017 à l'aide du téléscope Pan-STARRS 1 situé à Hawaï. D'autres observations avec le Très grand télescope de l'ESO au Chili et celles issues de plusieurs observatoires dans le monde révèlent que l'astéroïde était en train de voyager dans l'espace depuis des millions d'années avant de rencontrer incidemment notre système solaire. L'astéroïde apparaît comme un objet rocheux ou métallique en forme de cigare d'une teinte rouge foncé, mesurant environ 400 à 800 mètres de long, et ne ressemble en rien aux objets connus du système Solaire.
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