All Questions
6
questions
1
vote
2
answers
143
views
The slowing of expansion in the matter dominated era
On all the graphs of the inflation of the universe, the era dominated by matter is slowing the rate of expansion. With an intuitive explanation (for all you science communicators out there) could you ...
3
votes
2
answers
203
views
Why physical / cosmological models that have been falsified weren't abandoned? [closed]
Before anything, I'd like to say that I'm a layman (non physicist) and english is not my main language; I apologize if my choice of words make me sound rude / arrogant, that is not my intent.
I often ...
3
votes
1
answer
527
views
Does $\Lambda$CDM include inflation?
$\Lambda$CDM obviously includes dark energy (the $\Lambda$) as well as cold dark matter (CDM). Does it also include cosmic inflation?
I've not seen a clear answer to this. Wikipedia's article on ...
1
vote
1
answer
77
views
Is Dark Matter accounted for in early universe inflationary models?
In the early universe there must have been an abundance of dark matter unless it formed by some unknown process later on. If it were present, is this significant and factored into our models?
-3
votes
2
answers
356
views
Could dark matter be expanded atoms, and dark energy expanded radiation? [closed]
After watching Lawrence Krauss' lecture 'life, universe, and nothing', an interesting idea lighted up in my mind. Is it possible that dark matter is just spread out matter waves and dark energy ...
10
votes
4
answers
1k
views
What current alternatives are there to the standard concordance model of cosmology?
The current "standard model" or concordance model of cosmology is Lambda CDM which includes late time acceleration due to a cosmological constant, cold dark matter as the missing matter component and ...