Comments by "Mark Zuckergecko" (@markzuckergecko621) on "10 Mysterious Places on Earth Tied to Aliens" video.

  1. It's not like they would just be flying around the cosmos looking for cool stuff, they would know their destination before they come here. We can already learn a fair amount about the chemical makeup of distant star systems with telescopes now, it's not unbelievable that other civilizations would be much more advanced.
    1