All Questions
Tagged with observable-universe cosmic-microwave-background
6
questions
2
votes
1
answer
2k
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Why is the Cosmic Microwave Background at the same distance no matter the direction we look?
I've read from different sources that:
The CMB is visible at a distance of 13.8 billion light years in all
directions from Earth, leading scientists to determine that this is
the true age of the ...
- 123
2
votes
1
answer
446
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What Is The Maximum Distance Our Finest Instruments Could See When They're Perfected?
Radius of the observable universe is 47.5 billion light years,which means we are seeing things which are about 48 billion light years away. At a rough estimate,at what distance would our finest ...
- 1,355
2
votes
2
answers
561
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How thick is the cosmic microwave background, including the part we cannot see within the observable universe?
What I want to know is how thick the observable universe is from the point of the cosmic microwave background and beyond.
It appears the thickness of the cosmic microwave background itself (the part ...
- 4,381
9
votes
1
answer
222
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Does the CMB pattern evolve in a human lifetime?
I was thinking, as CMB is a snapshot of a slice of the Universe during recombination, how much the cmb is changing with time ?
I mean as we progress in time we look a CMB a bit more faraway each time, ...
- 493
1
vote
1
answer
132
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Intuitive explanation for why the universe is flat
I went through Prof. Hitoshi Murayama's online lecture where he describes why the universe is flat. One of the evidences for a flat universe is the evenness of CMB radiation on all directions. My ...
- 153
12
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3
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Why can we observe the Cosmic Microwave Background no matter the direction we look?
I often read that the CMB was released from everywhere in the Universe, in every direction.
If that statement is true, can someone elaborate what "everywhere in the universe, in every direction" ...
- 223