star formation

Artist's impression on 'Oumuamua

Pythagorean Astronomy: Mysterious visitors bearing gifts

Posted on 29 December 2021 by Chris North

The first interstellar object to be discovered was ‘Oumuamua, detected in 2017. Joined by Comet 2I/Borisov a couple of years later, astronomers are eagerly awaiting further discoveries of such objects, which were ejected from other solar systems. We explore what the link is between these interstellar objects and the history of star formation around the
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