Results 11 to 20 of about 242,669 (295)
Energy Budgets of Evolving Nations and Their Growing Cities
Energies, 2022 A new way is proposed to thermodynamically gauge the evolving complexity of nation-states and their growing cities. Energy rate density is a useful metric to track the evolution of energy budgets, which help facilitate how well or badly human society ...
Eric J. Chaisson
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Cosmic rays in early star-forming galaxies and their effects on the interstellar medium [PDF]
, 2017 Galaxies at high redshifts with strong star formation are sources of high-energy cosmic rays. These cosmic rays interact with the baryon and radiation fields of the galactic environment via photo-pair, photo-pion and proton-proton processes to produce ...
Jacobsen, Idunn B. +3 more
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Universe, 2023 The discovery of diffuse radio emission in galaxy clusters proved the existence of energetic cosmic-ray electrons and cosmic magnetic fields on Mpc-scales in the Universe.
Denis Wittor
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Wavelet analysis of the formation of the cosmic web [PDF]
, 2011 According to the modern cosmological paradigm galaxies and galaxy systems form from tiny density perturbations generated during the very early phase of the evolution of the Universe. Using numerical simulations we study the evolution of phases of density
A. A. Starobinsky +9 more
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Field Independent Cosmic Evolution [PDF]
Journal of Astrophysics, 2013 It has been shown earlier that Noether symmetry does not admit a form of corresponding to an action in which is coupled to scalar-tensor theory of gravity or even for pure theory of gravity taking anisotropic model into account. Here, we prove that theory of gravity does not admit Noether symmetry even if it is coupled to tachyonic field and ...
Nayem Sk, Abhik Kumar Sanyal
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Is the Universe Enough? Can It Suffice as a Basis for Worldviews?
Journal of Big History, 2019 The modern scientific cosmic perspective is unique and compelling, but it is not for everyone. Modern cosmology can be humbling and awe-inspiring, even motivating It can also be overwhelming, even scary.
Mark Lupisella
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Cosmic Union of Communities: a New Concept and Technologies of Creating Cosmic Humanity [PDF]
Философия и космология, 2019 The article deals with the philosophical foundations of the theory and practice of creating Cosmic Humanity. It suggests a new idea, concept and technology of organizing cosmic communities, i.e.
Sergey Krichevsky
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Evolução do Sistema Solar Primordial em Termos de Grande História e Evolução Universal
Journal of Big History, 2018 A presente contribuição é dedicada a alguns aspectos da história e evolução do Sistema Solar primordial. A origem do Sol, da Terra, de outros planetas e dos seus satélites tem sido de grande interesse para as pessoas.
Leonid Grinin
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The Tree of Knowledge: System A New Map for Big History
Journal of Big History, 2019 This article summarizes the Tree of Knowledge (ToK) System (Henriques, 2003; 2011), and compares and contrasts its depiction of cosmic evolution as four “dimensions of existence” (i.e., Matter, Life, Mind and Culture) with Big History’s eight thresholds ...
Gregg Henriques +3 more
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Cosmic Ray Acceleration in Superbubbles and the Composition of Cosmic Rays [PDF]
, 2000 We review the evidence for cosmic ray acceleration in the superbubble/hot phase of the interstellar medium, and discuss the implications for the composition of cosmic rays and the structure and evolution of the interstellar medium.
Higdon, J. C. +2 more
core +3 more sources