The European Southern Observatory used many of its telescopes to study 1I/'Oumuamua and 2I/Borisov, the first interstellar objects humanity has discovered flying through our solar system. -- Why Was 'Oumuamua So Weird? New Research Tries to Track Its Origins:([ Ссылка ])
Strange ingredient in interstellar Comet Borisov offers a clue to its origins ([ Ссылка ])
Credit: ESO
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