All Questions
4
questions
0
votes
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answers
48
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Big Bang as stretching space time?
I am still new to researching the big bang so please be patient. I am having trouble envisioning the expansion. As I understand under current theory it is not to be thought of as a singularity ...
- 101
6
votes
4
answers
431
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Did the universe need the presence of matter and radiation to start expanding?
I have read this question:
Hence it is not possible that photons generated by stars is contributing to dark energy.
Could photons generated from the many trillions of stars be some how contributing ...
- 29k
0
votes
0
answers
61
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What is the relationship between the Cosmological Constant and the Cosmological Principle?
I believe I've misunderstood a relationship between the cosmological constant and the cosmological principle having read:
Einstein introduces his cosmological constant which attributes, in the ...
1
vote
1
answer
260
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Why do we think that the energy density of false vacuum/scalar field doesn’t dilute with the expansion?
I have a question about inflation theory.
Why do we think that the energy density of false vacuum/scalar field doesn’t dilute with the expansion?
Could it be that the energy density does dilute with ...
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