Numbers to get you thinking

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But lets prepare ourselves to meet the great Andromeda at first xD

Not that we'll be here by then

But I read about this years ago and I've always been interested in it. Allegedly the stars are too far away from each other (in the arms of the galaxy, anyway) for us to notice any major gravitational disruption, but one has to wornder what other effects such a "collision" could have.