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Torby
PostPosted: Mar 18, 2012 - 10:55 PM
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Joined: Nov 11, 2003
Posts: 3899
Location: Chicago Illinois USA

http://youtu.be/oAVjF_7ensg

The narrator said, "There are over 100 billion galaxies." I'm thinking, if there are all these in just this tiny section of space, that his estimate might be low. Not sure Messers Hewlett and Packard are up to calculating that, but I might try tomorrow.

I always wonder why He made it so big, till I realized, He is so big.

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Torby

Some days, it's just not worth chewing through the restraints.
 
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JohanEkdahl
PostPosted: Mar 19, 2012 - 09:08 AM
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Joined: Mar 27, 2002
Posts: 18581
Location: Lund, Sweden

Quote:
"There are over 100 billion galaxies." I'm thinking, if there are all these in just this tiny section of space


Quote correctly, or quote not. Here is a transcipt I hope is correct
Quote:
There where about 3K galaxies in the area studied [...] the light from over three thousand galaxies had covered the detector [...] Every single spot, smear and dot was an entire galaxy, and each one containing hundreds of billions of stars.


Apart from a galaxy typically containing 100 billion starts, I believe that roughly 100 billion galaxies is the estimate of the total number of galaxies in the universe.

Since, it seems, you where the one first touching on one of the nowadays forbidden subjects I dare continue - notice how the first comment on that YouTube page is this quote:
C. Sagan wrote:
Our posturings, our imagined self-importance, the delusion that we have some privileged position in the Universe, are challenged by this point of pale light. Our planet is a lonely speck in the great enveloping cosmic dark. In our obscurity, in all this vastness, there is no hint that help will come from elsewhere to save us from ourselves.


Quote:
He

Who? Hubble? Wink
 
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peret
PostPosted: Mar 19, 2012 - 05:47 PM
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Joined: May 26, 2004
Posts: 2538
Location: Las Vegas, Nevada

If nothing can exceed the speed of light relative to anything else, then we must be able to see everything that emits radiation in the entire universe, except possibly a small fringe where the light hasn't had time to reach us yet. But we must avoid the hubris of thinking we worked it all out and understand everything.
 
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zbaird
PostPosted: Mar 19, 2012 - 06:17 PM
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Joined: Aug 13, 2006
Posts: 6706
Location: Bellingham, WA - USA

Quote:
He...

Who? Hubble?

Around here it would be He Who Must Not Be Named, so it must be Voldemort.

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Chuck Baird
"It's better to catch the trapeze than test the safety net" -- RPi book
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barnacle
PostPosted: Mar 19, 2012 - 07:45 PM
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Joined: Jan 03, 2006
Posts: 4417
Location: Hemel Hemsptead, UK

peret wrote:
If nothing can exceed the speed of light relative to anything else, then we must be able to see everything that emits radiation in the entire universe, except possibly a small fringe where the light hasn't had time to reach us yet. But we must avoid the hubris of thinking we worked it all out and understand everything.


That's the background radiation at 3K...

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