This artist’s impression shows the first interstellar asteroid: 'Oumuamua. It was discovered on Oct. 19 by Canadian astronomer Robert Weryk using the Pan-STARRS 1 telescope in Hawaii.

This artist’s impression shows the first interstellar asteroid: ‘Oumuamua. It was discovered on Oct. 19 by Canadian astronomer Robert Weryk using the Pan-STARRS 1 telescope in Hawaii. (M. Kornmesser/ESO)

Full story here: http://www.cbc.ca/news/technology/oumuamua-interstellar-visitor-1.4454180