Results 101 to 110 of about 697,282 (295)

Brane-World Gravity [PDF]

open access: yes, 2010
The observable universe could be a 1+3-surface (the “brane”) embedded in a 1+3+d-dimensional spacetime (the “bulk”), with Standard Model particles and fields trapped on the brane while gravity is free to access the bulk.
Roy Maartens   +3 more
core   +1 more source

Objects of Affection: Deathly Encounters With Taxidermy, Stuffed Toys and Atmospheres

open access: yesChildren &Society, EarlyView.
ABSTRACT This paper explores how children and young people relate to death through affective atmospheres and embodied, imaginative encounters with taxidermy and stuffed toy animals. Using arts‐based research (ABR), we explore how death, affective atmospheres, empathy and materiality entangle during multispecies relations.
Rachel Sinquefield‐Kangas   +2 more
wiley   +1 more source

Cosmic Chronometers, Pantheon+ Supernovae, and Quasars Favor Coasting Cosmologies over the Flat ΛCDM Model

open access: yesThe Astrophysical Journal
We test and compare coasting cosmological models with curvature parameters $k=\left\{-1,0,+1\right\}$ in ${H}_{0}^{2}{c}^{-2}$ units and the flat ΛCDM model by fitting them to cosmic chronometers (CCs), the Pantheon+ sample of Type Ia supernovae (SNe ...
Peter Raffai   +4 more
doaj   +1 more source

Observational constraints on entropic cosmology

open access: yesPhysics Letters B
In this work, we derive a generalized modified Friedmann equation based on an entropy-area relation that incorporates established modifications, such as volumetric, linear, and logarithmic terms, in addition to novel entropic modifications that might ...
Javier Chagoya   +4 more
doaj   +1 more source

The obsolescence of protected area categories in a polycrisis world

open access: yesConservation Biology, EarlyView.
Abstract Current global conservation models face significant limitations in addressing the global polycrisis, and the constraints of the International Union for Conservation of Nature protected area (PA) classification system are part of the issue. The principles of the new conservation paradigm—governance, equity, and interculturality—are not viable ...
Pamela Esther Degele
wiley   +1 more source

Newest Measurements of Cosmic Curvature with BOSS/eBOSS and DESI DR1 Baryon Acoustic Oscillation Observations

open access: yesThe Astrophysical Journal Letters
Determining the cosmic curvature (Ω _K ) independent of cosmological models plays a key role in revealing the background physics of our Universe. In this Letter, we propose an improved method to measure the cosmic curvature using the observations of ...
Tonghua Liu   +4 more
doaj   +1 more source

THE STATE OF THE COSMOLOGICAL MODEL: OBSERVATIONS AND THEORY

open access: yesOdessa Astronomical Publications, 2017
The main points and trends of observational and theoretical cosmology that influence and form the understanding of the Universe are reviewed.
V. N. Lukash
doaj   +1 more source

Modified Friedmann cosmologies—Theory and observations

open access: yesAnnals of Physics, 2005
We investigate a class of Cardassian scenarios of the universe evolution in notions of the qualitative theory of dynamical systems. This theory allows us to analyze all solutions for all possible initial conditions on the phase plane. In the Cardassian models we find that big-rip singularities are present as a typical behavior in the future if $n<0$.
Szydłowski, Marek, Czaja, Wojciech
openaire   +4 more sources

Observational cosmology using Bayesian analysis [PDF]

open access: yes, 2008
Observational cosmology is based on a tripod: observational data, statistics analysis and theoretical cosmological models. Currently there are many distinct observational cosmological data.
Campos, Ramón Giostri
core  

Similar or Different? Configurations of Authenticity Across Museum Types

open access: yesCurator: The Museum Journal, EarlyView.
ABSTRACT Authenticity is traditionally regarded as playing a crucial role in museums, science centers, and memorials. However, despite this fact, authenticity has very different meanings in different (institutional) settings. This complicates shared communications across museum practices.
S. Schwan   +18 more
wiley   +1 more source

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