text: what would happen if mercury and venus were to collide? it is strange, i had a dream last night that everyone was talking about the news about mercury and venus colliding and becoming one planet. i dont recall anything occuring during the day(or even saying the words mercury and venus) that would make me dream this.  but all the same, what would happen if these two were to collide, and is it possible? in the dream they collided because it was an inevitablitily where mercury's rotation around the sun eventually brought about their collision.  weird. i don't know what the dream means.. maybe it has something to do with your signs. your sign represents one of the planets and you will collide and marry somebody who has the other sign...  anyways.. but in reality, neptune's moon is actually not only rotating around neptune, but it's actually spiraralling towards it. it is inevitable that one day the moon and neptune will collide.