Results 281 to 290 of about 197,159 (337)

A precise metallicity and carbon-to-oxygen ratio for a warm giant exoplanet from its panchromatic JWST emission spectrum. [PDF]

open access: yesProc Natl Acad Sci U S A
Wiser LS   +13 more
europepmc   +1 more source

Potential impact of the Sagittarius dwarf galaxy on the formation of young O-rich stars. [PDF]

open access: yesNat Commun
Sun T   +12 more
europepmc   +1 more source

Enhanced production of 60Fe in massive stars. [PDF]

open access: yesNat Commun
Spyrou A   +25 more
europepmc   +1 more source

Theoretical Stellar Pulsation Physics

Proceedings of the International Astronomical Union, 2022
AbstractPulsating stars play a crucial role in the calibration of the cosmic distance scale as well as in tracing the properties of the associated stellar populations. In the era of large observational surveys and precise astrometric missions, it is crucial to rely on accurate stellar pulsation models able to predict the observed behaviors for ...
M. Marconi   +3 more
openaire   +1 more source

Physics optimization of stellarators

Physics of Fluids B: Plasma Physics, 1992
The theoretical and experimental development of stellarators has removed some of the specific deficiencies of this configuration, viz., the limitations in β, the high neoclassical transport, and the low collisionless confinement of α particles. These optimized stellarators can best be realized with a modular coil system.
Grieger, G.   +16 more
openaire   +2 more sources

Physics of Stellar Convection

AIP Conference Proceedings, 2009
We review recent progress using numerical simulations as a testbed for development of a theory of stellar convection, much as envisaged by John von Newmann. Necessary features of the theory, non‐locality and fluctuations, are illustrated by computer movies.
W. David Arnett   +7 more
openaire   +1 more source

Physics of compact stellarators

Physics of Plasmas, 1999
Recent progress in the theoretical understanding and design of compact stellarators is described. Hybrid devices, which depart from canonical stellarators by deriving benefits from the bootstrap current which flows at finite beta, comprise a class of low aspect ratio A<4 stellarators.
S. P. Hirshman   +23 more
openaire   +1 more source

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