Here’s an article I saw trending today...
https://www.livescience.com/microbes-col...omets.html
A comet grazing ancient Earth’s atmosphere grabbing microbes to eventually end up smacking into a planet that could harbour impact survivors requires an incredible amount of luck I would think. Not only does a comet scoop up life from one world, have it survive, it then strikes a planet that can support the life it leaves behind.
But does life need a technologically advanced intelligence to develop to spread itself much faster into the universe? One that can work intergalactically. Could it already have happened? I think in chronological terms the universe is actually quite young. Just how long it takes or how many of these civilizations there are or has been is anyone’s guess. 15 billion years?
https://www.livescience.com/microbes-col...omets.html
A comet grazing ancient Earth’s atmosphere grabbing microbes to eventually end up smacking into a planet that could harbour impact survivors requires an incredible amount of luck I would think. Not only does a comet scoop up life from one world, have it survive, it then strikes a planet that can support the life it leaves behind.
But does life need a technologically advanced intelligence to develop to spread itself much faster into the universe? One that can work intergalactically. Could it already have happened? I think in chronological terms the universe is actually quite young. Just how long it takes or how many of these civilizations there are or has been is anyone’s guess. 15 billion years?