Funny thing is he is jokingly saying it all but there has to be lifeforms outside of our solar system. It's really impossible for there not to be. Why in the FUCK would we form only.
Holy shit, here let me take this slow for you. There are three objects, doesn't matter what they actually are or not but you assume they are rocks, and these 'rocks' are, from what it looks like, are coming out of Earth's atmosphere and going further out into space. Now please tell me how these rocks are being propelled.