Results 261 to 270 of about 92,572 (312)

The Progenitor Systems of Classical Novae in M31. [PDF]

Astrophys J
Abelson CS, Badenes C, Chomiuk L, Williams BF, Breivik K, Galbany L, Jiménez-Palau C.   +6 more
europepmc   +1 more source

Strong Lensing by Galaxies. [PDF]

Space Sci Rev
Shajib AJ, Vernardos G, Collett TE, Motta V, Sluse D, Williams LLR, Saha P, Birrer S, Spiniello C, Treu T.   +9 more
europepmc   +1 more source

High-order expansion of neural ordinary differential equation flows. [PDF]

Sci Adv
Izzo D, Origer S, Acciarini G, Biscani F.   +3 more
europepmc   +1 more source

Joule-Thomson expansion in a mimetic black hole. [PDF]

Sci Rep
Rezaei AH, Nozari K.
europepmc   +1 more source

Thermodynamics of the Primordial Universe. [PDF]

Entropy (Basel)
Pereira DS, Ferraz J, Lobo FSN, Mimoso JP.   +3 more
europepmc   +1 more source

Gravitational Hamiltonian Systems and the Retarded Gravity Inequality. [PDF]

Entropy (Basel)
Yahalom A.
europepmc   +1 more source

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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
openaire   +2 more sources