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+--Forum: After the Bar Closes...
+---Topic: Hubble Vs Planck & Herschel started by Schroedinger's Dog


Posted by: Schroedinger's Dog on May 14 2009,17:13

So, on the one hand we have Nasa and the Hubble telescope extreme make-over, promising images as far as 500 years after the Big Bang. < Sorry, link in french. >

On the other hand, we have the ESA and Planck & Herschel program, promising images down to 380 000 years after the Big Bang. < Sorry, link in french......again >

While I rejoice upon Hubble's newfound life span, I kinda wonder about the real limits of our "vision". Can we really go back farther than the 380 000 limit? It seems (although I might be mistaken) that this particular time would be the moment when light "separated" from the gooey mumbo-jumbo and thus is the limit to what we can "see".

But Nasa claims to scope down to 500 years Post Big Bang.

Utopia? Mistake from the reporter? Blatant propaganda?

Share your thoughts...
Posted by: cogzoid on May 14 2009,17:30

A better way to think of it is this.  Things were so energetic, noisy, close together, etc. that light could not travel very far.  Physicists consider the universe pre~380,000 years old to be opaque.  The reporter discussing how far back the Hubble could look must have heard wrong.
Posted by: carlsonjok on May 14 2009,17:32

Quote (Schroedinger's Dog @ May 14 2009,17:13)
So, on the one hand we have Nasa and the Hubble telescope extreme make-over, promising images as far as 500 years after the Big Bang. < Sorry, link in french. >

On the other hand, we have the ESA and Planck & Herschel program, promising images down to 380 000 years after the Big Bang. < Sorry, link in french......again >

While I rejoice upon Hubble's newfound life span, I kinda wonder about the real limits of our "vision". Can we really go back farther than the 380 000 limit? It seems (although I might be mistaken) that this particular time would be the moment when light "separated" from the gooey mumbo-jumbo and thus is the limit to what we can "see".

But Nasa claims to scope down to 500 years Post Big Bang.

Utopia? Mistake from the reporter? Blatant propaganda?

Share your thoughts...
---------------------QUOTE-------------------


USA!!! USA!!! USA!!!!

Oh.  That wasn't what you meant?
Posted by: Schroedinger's Dog on May 14 2009,17:36

Quote (cogzoid @ May 15 2009,00:30)
A better way to think of it is this.  Things were so energetic, noisy, close together, etc. that light could not travel very far.  Physicists consider the universe pre~380,000 years old to be opaque.  The reporter discussing how far back the Hubble could look must have heard wrong.
---------------------QUOTE-------------------


Ok, thanks, that's what I was hoping for.

Carlson: yeah, kinda...:D
Posted by: BWE on May 27 2009,18:42

Sorry. The headline to your 2nd link reads:


---------------------QUOTE-------------------
La navette Atlantis est en retard
---------------------QUOTE-------------------


that's just mean.
Posted by: keiths on May 27 2009,19:31

How disappointing.  When I saw the title "Hubble vs. Planck & Herschel", I thought you were talking about a cage fight.

By the way, Fritz Zwicky could have kicked all of their asses.
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