Results 31 to 40 of about 202,170,919 (180)

Theory and laboratory astrophysics [PDF]

, 1991
Science opportunities in the 1990's are discussed. Topics covered include the large scale structure of the universe, galaxies, stars, star formation and the interstellar medium, high energy astrophysics, and the solar system.
Schramm, David N., Elmegreen, Bruce G., Mckee, Christopher F., Cline, David B., Dalgarno, Alexander, Ferland, Gary J., Alcock, Charles, Chevalier, Roger A., Allamandola, Lou, Fall, S. Michael   +9 more
core  

Astrophysical black holes: An explanation for the galaxy quenching

Journal of High Energy Astrophysics
In light of increasing observational evidence supporting the existence of ultra-compact objects, we adopt the term astrophysical black hole to refer to any object having a huge mass confined within a sufficiently small region of spacetime. This terminology encompasses both the classical black hole solutions predicted by general relativity, as well as ...
Jay Verma Trivedi, Pankaj S. Joshi, Gopal Krishna, Peter L. Biermann   +3 more
openaire   +2 more sources

From Flow to Function: Using Different Static Mixers to Fabricate Microarchitected Materials Via Chaotic Printing

Advanced Science, Volume 13, Issue 55, 5 October 2026.
Complex microarchitectures emerge from simple flow‐driven transformations as static mixers iteratively reorient and split material domains. Coupled with diverse deposition strategies, chaotic printing provides an accessible platform for fabricating architected materials that support biologically and chemically relevant processes. ABSTRACT Nature builds
Edna Johana Bolívar‐Monsalve, Carlos Fernando Ceballos‐González, Diego Alonso Quevedo‐Moreno, Irving Isaí Rendón‐Moreno, Ariel Cantoral‐Sánchez, Héctor Ambriz‐González, Mario Moisés Alvarez, Grissel Trujillo‐de Santiago   +7 more
wiley   +1 more source

Optimized Wavy Thermal Radiative Analysis of Electrochemically Ternary Hybrid Nanomaterials Affected by an Induced Magnetic Force: An ANN‐Based Levenberg–Marquardt Backpropagation Approach

Advanced Physics Research, Volume 5, Issue 10, October 2026.
This diagram illustrates the wavy flow configuration of the model in a Cartesian coordinate system. It represents the heat and mass transfer characteristics of ternary hybrid nanofluids over a vertically wavy surface in the presence of an induced magnetic field and double‐diffusive mixed convection.
Latif Ahmad, Saleem Javed, Umair Khan, Muhammad Iqbal, Syed Modassir Hussain   +4 more
wiley   +1 more source

Applications of the IGIMF-theory to the astrophysics of galaxies

, 2010
The functional form of the galaxy-wide stellar initial mass function is of fundamental importance for understanding galaxies. So far this stellar initial mass function has been assumed to be identical to the IMF observed directly in star clusters. But because stars form predominantly in embedded groups rather than uniformly distributed over the whole ...
Pflamm-Altenburg, Jan, Weidner, Carsten, Kroupa, Pavel   +2 more
openaire   +2 more sources

Influence of Dynamical Friction on the Unstable Manifolds of Lagrange Points in Barred Galaxies

Astronomische Nachrichten, Volume 347, Issue 8, October 2026.
ABSTRACT Some time ago the idea has been proposed that rings and spirals in barred galaxies are shaped by the unstable manifolds of the Lagrange points sitting near the ends of the bar. The topic of the present article is an investigation of whether the numerical support for this suggestion can be improved by the inclusion of dynamical friction into ...
Christof Jung
wiley   +1 more source

Center for Astrophysics Colloquia, 1999

, 2018
Public lectures given at the Harvard-Smithsonian Center for Astrophysics as part of their CfA Colloquium series. Originally recorded on videotape and audio cassette in 1999 and converted to digital files by EverPresent in 2017. 
Harvard-Smithsonian Center for Astrophysics (5986331), Harvard-Smithsonian Center for Astrophysics   +1 more
core   +1 more source

Galaxy Winds in the Age of Hyperdimensional Astrophysics

, 2019
The past decade began with the first light of ALMA and will end at the start of the new era of hyperdimensional astrophysics. Our community-wide movement toward highly multiwavelength and multidimensional datasets has enabled immense progress in each science frontier identified by the 2010 Decadal Survey, particularly with regard to black hole feedback
Tremblay, Grant R., Schneider, Evan E., Vikhlinin, Alexey, Hernquist, Lars, Ruszkowski, Mateusz, Oppenheimer, Benjamin D., Kraft, Ralph P., ZuHone, John, McDonald, Michael A., Gaspari, Massimo, Donahue, Megan, Voit, G. Mark   +11 more
openaire   +2 more sources

Removing the Effect of Source Structure From Correlated VLBI Data

Radio Science, Volume 61, Issue 10, October 2026.
Abstract Recent studies suggest that in geodetic very long baseline interferometry (VLBI) the assumption of sources being point‐like results in a significant residual error introduced by the effect of source structure. Our aim is to remove the impact of source structure from geodetic VLBI data right after the correlation step. For this purpose, we have
Frédéric Jaron, Víctor Pérez‐Díez, Hana Krásná, Johannes Böhm, Patrick Charlot, Arnaud Collioud, Jakob Gruber, Iván Martí‐Vidal, Axel Nothnagel   +8 more
wiley   +1 more source

Astrophysics: a very short introduction

, 2016
Astrophysics is the physics of the stars, and more widely the physics of the Universe. It enables us to understand the structure and evolution of planetary systems, stars, galaxies, interstellar gas, and the cosmos as a whole.
Binney, James
core   +1 more source