OT James Webb Space Telescope Updates

WestSideLion

All-American
May 29, 2001
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Thanks for sharing these updates, Tom. This stuff underlines how inconsequential we are in the grand scheme of the universe. Here is distant light distorted by a cluster of galaxies (!) 3.6 billion light years away. The light source is likely an order of magnitude more distant than that.

Then the article references a 13 billion (with a B!) year old star spotted in a similar manner. There's no escaping that we are in the midst of learning more about the origins and inner workings of the universe and physics than all learned in human history so far.

And the sheer math involved underlines that there simply must be other forms of intelligent life out in this vastness. Or at least that have existed over different times through the course of 13 billion years.
 

Woodpecker

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May 29, 2001
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Thanks for sharing these updates, Tom. This stuff underlines how inconsequential we are in the grand scheme of the universe. Here is distant light distorted by a cluster of galaxies (!) 3.6 billion light years away. The light source is likely an order of magnitude more distant than that.

Then the article references a 13 billion (with a B!) year old star spotted in a similar manner. There's no escaping that we are in the midst of learning more about the origins and inner workings of the universe and physics than all learned in human history so far.

And the sheer math involved underlines that there simply must be other forms of intelligent life out in this vastness. Or at least that have existed over different times through the course of 13 billion years.
I can't even comprehend what football discussion boards are like in other universes. I wonder if they're posting about us!
 

WestSideLion

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May 29, 2001
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I can't even comprehend what football discussion boards are like in other universes. I wonder if they're posting about us!
Given that the observable universe is 46 billion light years in any direction from Earth, most of those other civilizations evolved through sports like football billions of years ago. That assumes they were able to avoid killing themselves.
 

leinbacker

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May 29, 2001
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And the sheer math involved underlines that there simply must be other forms of intelligent life out in this vastness. Or at least that have existed over different times through the course of 13 billion years.
A long time ago in a galaxy far far away.
 

LionJim

Heisman
Oct 12, 2021
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I’m currently reading “The First Three Minutes,” by Steven Weinberg, Nobel Prize for Physics 1979, and his description of the sheer brilliance of astrophysicists is really something.

Yes, it’s the first three minutes after the Big Bang.
It’s a good book but Simon Singh’s “The Big Bang” is the one you want.
 

dcf4psu

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Nov 7, 2003
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Woodpecker

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May 29, 2001
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"the light you're seeing from the red objects below is generated by the black holes at the center of these early galaxies."
Can somebody please explain black holes to me? I thought that they we so massive that their gravitational pull would not allow light to escape. The above statement from the article seems to contradict that.
 
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flash86

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Oct 26, 2001
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"the light you're seeing from the red objects below is generated by the black holes at the center of these early galaxies."
Can somebody please explain black holes to me? I thought that they we so massive that their gravitational pull would not allow light to escape. The above statement from the article seems to contradict that.
Material spinning around the black hole at dramatic speeds - but not dropping in as it doesn’t cross the event horizon -generates the light.
 

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Tom McAndrew

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SleepyLion

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Sep 1, 2022
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Not JW satellite related, but has anyone ever seen a "Starlink Satellite Train"?
We were driving last night and my wife noticed it.
 

WestSideLion

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May 29, 2001
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As these earlier galaxies get discovered, it adds further questions into our theory for how the universe formed.

The math is shaky on a fully formed galaxy just 280 million years after the Big Bang. Something has to give here.

I am in the camp that Webb will force us to blow up many of our long-held assumptions about the universe. That’s good.
 

Tom McAndrew

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