Results 171 to 180 of about 1,722 (216)

The Evolution of Physical Laws and the Entropic Measure of Time. [PDF]

Entropy (Basel)
Martyushev LM.
europepmc   +1 more source

Auditory Affordances of Game Pass Shelter (South Africa): Implications for Performative Practices and Multisensory Engagement with San Rock Art. [PDF]

Afr Archaeol Rev
Santos da Rosa N, Alvarez-Morales L, Moreno-Iglesias D, Laue G, Díaz-Andreu M.   +4 more
europepmc   +1 more source

Multi-messenger gravitational lensing. [PDF]

Philos Trans A Math Phys Eng Sci
Smith GP, Baker T, Birrer S, Collins CE, Ezquiaga JM, Goyal S, Hannuksela OA, Hemanta P, Hendry MA, Janquart J, Keitel D, Levan AJ, Lo RKL, More A, Nicholl M, Pastor-Marazuela I, Ponte Pérez AI, Ubach H, Uronen LE, Wright M, Zumalacarregui M, Bianco F, Çalişkan M, Chan JCL, Colangeli E, Gompertz BP, Haines CP, Hayes EE, Hu B, Lamb GP, Liu A, Mandhai S, Narola H, Nguyen QL, Poon JSC, Ryczanowski D, Seo E, Shajib AJ, Shan X, Tanvir N, Vujeva L.   +40 more
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Observational cosmology

2021
Abstract The main strands of observation in cosmology are presented. These are redshift surveys using standard candles; galaxy distributions; age estimates drawing on a number of strands of evidence; and the CMB radiation. The chapter begins with a discussion of systemtic and statistical error in measurements, and explains the ...
openaire   +1 more source

Observer dependence in quantum cosmology

Physical Review D, 1993
The main thesis of this paper is that minisuperspace quantum cosmology reproduces the observer dependence of the vacuum found in quantum field theory in curved spacetime. We show that the vacua picked up by the Hartle-Hawking "no boundary" proposal in two different minisuperspaces sharing the same classical limit ($k=0$ and $k=1$ de Sitter ...
, Calzetta, , Kandus
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Observational cosmology

2003
Abstract The isotropic 2.7 K blackbody radiation, the 24 per cent cosmic helium abundance, and the similarity between the ages of galaxies and the age of the universe all support the big-bang models derived from general relativity assuming the cosmological principle. Can we test these models in more detail?
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Observational cosmology and cosmological models

Soviet Physics Uspekhi, 1987
N.S. Kardashev, Vladimir N. Lukash, Igor D. Novikov   +2 more
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Observational Cosmology

Science, 1978
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