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/astrum?art=5f04759ac338b SUBSCRIBE for more videos about our other planets. Subscribe! http://goo.gl/WX4iMN Facebook! http://goo.gl/uaOlWW Twitter! http://goo.gl/VCfejs Astrum Spanish: https://bit.ly/2KmkssR Astrum Portuguese: https://www.youtube.com/channel/UChn_-OwvV63mr1yeUGvH-BQ Donate! Patreon: http://goo.gl/GGA5xT Ethereum Wallet: 0x5F8cf793962ae8Df4Cba017E7A6159a104744038 Become a Patron today and support my channel! Donate link above. I can't do it without you. Thanks to those who have supported so far! Image Credits: NASA/ESA/ESO Music Credit: Marek Poledna