Tagged Questions
-1
votes
0answers
48 views
Peculiar velocity, galactic superclusters and dark energy? [closed]
So I've stumbled upon some information regarding the existence of this "peculiar velocity" and as I have very limited knowledge of astronomy/astrophysics and a hunger for knowledge, but no idea where ...
4
votes
1answer
156 views
How much does electromagnetic radiation contribute to dark matter?
EM radiation has a relativistic mass (see for instance,
Does a photon exert a gravitational pull?), and therefore exerts a gravitational pull.
Intuitively it makes sense to include EM radiation ...
3
votes
0answers
49 views
squeezed radiation astronomy
Squeezed electromagnetic vacuum does have a renormalized energy density smaller than the vacuum. So it makes it in my opinion a inconspicuous candidate for a dark energy carrier.
Are there ...
0
votes
1answer
131 views
Proportion of energy compared to mass in universe
In Wikipedia (http://en.wikipedia.org/wiki/Dark_matter), there is a picture that shows us the proportion of matter and energy in the current universe - CMB.
It seems to suggest there is nothing that ...
5
votes
3answers
83 views
Could dark energy be the effect of gravity at great distances?
This may be a silly question, but is it possible that dark energy and gravity are related to each other?
Space-time is deformed everywhere in space by objects with mass. The more massive the object, ...
