@PhilipAsolo @sanjanasinghx In the sense that Earth is in space and any number of changes to its conditions would be like a critical failure on a space vessel we are dependent on to survive, then yes, we are literally aliens.
@PhilipAsolo @sanjanasinghx Yeah, the "Spaceship Earth" thing is David Deutsch's. It's a different point than "alien = foreign relative to a given observer or perspective" definition kind of thing, but it's a good thing to remember in these contexts for the purpose of orientation.