Oumuamua and Borisov are not the only interstellar interlopers. We know of many more. Here's what we know about them so far. Astrum merch now available! Apparel: https://teespring.com/stores/astrum-space Metal Posters: https://displate.com/promo/ast....rum?art=5f04759ac338

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Image Credits: NASA/ESA/ESO
Music Credit: Marek Poledna