When the sun burns out its fuel in around 5 billion years or so, what will be the fate of all the outer planets will they continue to orbit in the current orbit or will they "go of on a little journey through space until we say hello with the neighbor galaxy.
Also lets say mankind is still around when that happens not on earth but on a different planet, will we even notice the two galaxies smashing together or will the best we can hope for be a little fireworks in the sky?
Also lets say mankind is still around when that happens not on earth but on a different planet, will we even notice the two galaxies smashing together or will the best we can hope for be a little fireworks in the sky?