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quote:
Originally posted by deliveryman
The theory above makes absolutely no sense whatsoever, and goes against all the evidence we have for an expanding Universe. The Universe is expanding, Einstein said it, and Hubble helped proved it (Hubble Constant). Thus, if the Universe is expanding everything is growing farther apart; including these two galaxies as time progresses. It is apparent the the person that came up with this prediction does not believe in an expanding Universe.
It's not a theory. It has been detected and redetected over and over again.
What is in theory though is why it is moving towards us. And other theories on what will happen.
It is indicated other galaxies have begun to move toward each other as well and there are instances where galaxies have intertwined with each other to create bigger galaxies.
What is also being investigated is the Milky Way, as we know it, may have already intertwined with another galaxy long ago. The after effects are the spiral arms.
The hubble has taken pictures of galaxies which have meshed together just recently (and by recently I mean millions of years) but are still straighting themselves out, considering the millions of years it takes to eventually regain composure.
And don't worry about the stars colliding, the space is so enormus between colliding galaxies that it would be very seldom stars would collide while the galaxy intertwine. New stars would be born, that is being discovered in other hubble quests. And perhaps even some existing ones will fall into black holes.
some links
http://hubblesite.org/newscenter/newsdesk/archive/releases/1997/34/
[Edited by Styrerra on 01/17/05 at 01:54]
__________________
Disclaimer:
I could be wrong
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Thread 
08/20/03 21:06
Oh, don't taqke me the wrong way 
Google however is a great way to get to a lot of information.
Andromeda
I'm not sure how accurate this is, but the following link gives one suggestion as to what may happen once the two galaxies eventually meet.
