All Questions
5
questions
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answers
57
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What is the exact ratio of dark energy to mass?
I need to know the exact ratio between mass and dark energy (total dark energy in the universe / total mass in the universe). I could only find it to 2 decimal points (0.68). I need this to make this ...
0
votes
1
answer
69
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Does matter experience energy inflation as the universe expands?
Does our "energy scale" inflate as the universe expands? In other words, is the amount of energy we measure as 1 joule today slightly higher than the amount of energy we measured as 1 joule yesterday?
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- 43
4
votes
2
answers
5k
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Does "Infinite Universe" Imply Infinite Mass?
In accordance with the FLRW Metric with a curverature of $k=0$ (as observationally supported by several of NASA's experiments including WMAP, Planck satellite, DASI, etc.) the universe is spatially ...
- 1,140
-3
votes
2
answers
6k
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Is the total mass of the universe constant in time? [duplicate]
Is the total mass of the universe constant in time?
- 21
4
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0
answers
4k
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Is there a finite amount of mass in the universe? [duplicate]
So, I'm not too physics savvy but I am curious to ask. Is there a finite amount of mass in the universe? or is there more and more being created from somewhere or something? If the universe is ...
- 447