Big Bang theory has been proven by galactic mapping

jay gw

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Two groups of astronomers have mapped over 250,000 galaxies, and the results show that the galaxies position is exactly where it would be....if the universe started with a giant explosion - big bang.

Martin Reese, Royal Astronomer, Cambridge University: "Experimentalists, using new technology and techniques have found confirmation for the hot big bang theory."

http://www.npr.org/templates/story/story.php?storyId=4281431
 
I only have a problem with the word 'proven'.

How about something like, "big bang theory accumulates another piece of compelling evidence".
 
Isn't an explosion a bad analogy for the Big Bang anyway?

/IIRC, the better analogy was raisin bread...
 
Jorghnassen said:
Isn't an explosion a bad analogy for the Big Bang anyway?

/IIRC, the better analogy was raisin bread...

I've not heard the raisen-bread analogy before but that's a good one. From my understanding, explosion is an acurate description with the caveat that it is an explosion OF everything, not an explosion of everything INTO anything. Or something.
 
FreakBoy said:
I've not heard the raisen-bread analogy before but that's a good one. From my understanding, explosion is an acurate description with the caveat that it is an explosion OF everything, not an explosion of everything INTO anything. Or something.

Well, the two problems with the explosion analogy is that it suggests a pre-existing space in which all matter explodes and then it doesn't portray the expansion properly. The raisin bread works because it explains the expansion better (if you consider raisins as galaxies, you then understand why the farther the galaxies are apart, the faster they move away from each other), and then the space itself is represented by the expanding dough. The only flaw of the raisin bread analogy is that it doesn't describe the initial burst so well...
 

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