Call me crazy but. If technology gets to the point where Space Shuttle flights are as common as airplane flights, I will be the first to buy a ticket just to see the Earth from space and experience zero gravity. Oh trust me that I will XD
Besides this we're looking at it from the wrong angle here, this is what we would need to survive, not other beings perhaps. Still a good Infographic: Where else could some form of life exist within our solar system?
NASA's Hubble Space Telescope imagery: The Cat's Eye Nebula, one of the first planetary nebulae discovered, also has one of the most complex forms known to this kind of nebula. Eleven rings, or shells, of gas make up the Cat's Eye.