The Theory Of Alien

                    The Theory Of Alien  This is only my observation, not anything based on scientific principles or theories this is just a small theory that I  assume, believe. Sorry for my bad English  => In the whole universe, if we consider that we are alone (humans, animals etc) then it is completely wrong and illogical, as when billions of years ago when B ig Bang event happened and it created billions of galaxies planets just like our solar system sun earth and all planets in solar systems created. As it created earth a habitable planet which we currently living on there are many possibilities that it has created many more planets similar to earth a habitable planet but with different conditions like here on earth we humans breathe oxygen and exhale carbon-dioxide, drink water, then I believe and highly assume that on another habitable planet consider it as alien planet maybe there they breathe Co2, hydrogen et...