An Ignored Assumption of $Λ$CDM Cosmology and An Old Question: Do We Live On The "Center" of The Universe?

Details An Ignored Assumption of $Λ$CDM Cosmology and An Old Question: Do We Live On The "Center" of The Universe? An Ignored Assumption of $Λ$CDM Cosmology and An Old Question: Do We Live On The "Center" of The Universe?

2005-05-31

arxiv.org/abs/gr-qc/0505154v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

two column style, 4 pages

Scientific paper

We point out that $\Lambda$CDM cosmology has an ignored assumption. That is, the $\Lambda$ component of the universe moves synchronously with ordinary matters on Hubble scales. If cosmological constant is vacuum energy, this assumption may be very difficult to be understood. We then propose a new mechanism which can explain the accelerating recession of super-novaes. That is, considering the pressures originating from the random moving (including Hubble recession) of galaxy clusters and galaxies. We provide an new analytical solution of Einstein equation which may describe a universe whose pressures originating from the random moving of galaxy clusters and galaxies are considered.

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