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And what's in our solar system, nobody knows. There's been some suggestion too that life on Earth may have at one time originated on Mars and migrated here. It could have come here from impacts of asteroids, meteors hitting the surface of Mars, causing ejected material to leave the planet and head out into space, captured by our gravitational field that pulled in. Our world was hospitable to it and it allowed it to flourish. So we may have originated on Mars. To your point too, about further out in the universe, just dropping.