Results 131 to 140 of about 12,289 (284)
AGN outflows and the cluster cooling flow conundrum
, 2011 Temperature distributions within cores of galaxy clusters indicate gas in the core should cool down rapidly and contract. The cooling flow problem involves the hypothesis that the rapidly cooling gas should eventually condensate into unobserved molecular
Klees, Ilja
core
Experimental Physiology, EarlyView.Abstract Central artery stiffening increases the haemodynamic pulsations transmitted downstream towards target organs, including the brain. While recent evidence suggests that long duration spaceflight is associated with reduced common carotid artery (CCA) distensibility, cerebrovascular pulsatility has not been extensively characterized in astronauts.
Roxanne Fournier +5 more
wiley +1 more source
Dark matter or modified dynamics?: hints from galaxy kinematics
, 2010 I show two observational projects I am involved in, which are aimed at understanding better the existence and nature of dark matter, and also aimed at testing alternatives to galactic dark matter such as MOND (Modified Newtonian Dynamics).
Gentile, Gianfranco
core +1 more source
The Astrophysical JournalThe majority of disk galaxies manifest spirals and/or bars that are believed to result from dynamical instabilities. However, some galaxies have featureless disks, which are therefore inferred to be dynamically stable.
J. A. Sellwood, R. G. Carlberg
doaj +1 more source
Spaceborne and spaceborn: Physiological aspects of pregnancy and birth during interplanetary flight
Experimental Physiology, EarlyView.Abstract Crewed interplanetary return missions that are on the planning horizon will take years, more than enough time for initiation and completion of a pregnancy. Pregnancy is viewed as a sequence of processes – fertilization, blastocyst formation, implantation, gastrulation, placentation, organogenesis, gross morphogenesis, birth and neonatal ...
Arun V. Holden
wiley +1 more source
The Astrophysical Journal LettersUsing numerical simulations of a barred disk galaxy embedded in nonspinning and spinning dark matter (DM) halos, we present a novel mechanism of “cooling” the vertical oscillations of DM particles, which acquire disk kinematics.
Xingchen Li +3 more
doaj +1 more source
Origin and Evolution of Large-scale Magnetic Fields
, 2015 Magnetic elds are ubiquitous at all scales in the Universe and have been observed in galaxies and clusters of galaxies via observations of di use radio emission and Faraday Rotation Measures.
Barnes, DJ
core
A Strong Falsification of the Universal Radial Acceleration Relation in Galaxies
The Astrophysical JournalIn the past few decades, many studies revealed that there exist some apparent universal relations that can describe the dynamical properties in galaxies.
Man Ho Chan
doaj +1 more source
The spheroidal bulge of the Milky Way: Chemodynamically distinct from the inner-thick disc and bar
Astronomy & AstrophysicsStudying the composition and origin of the inner region of our Galaxy—the “Galactic bulge”—is crucial for understanding the formation and evolution of the Milky Way and other galaxies.
Nepal S. +9 more
doaj +1 more source
Advances in cardiac devices and bioelectronics augmented with artificial intelligence
The Journal of Physiology, EarlyView.Abstract figure legend Interfaces between the human heart, diagnostic bioelectronics, artificial intelligence, and clinical care. From left to right: Human heart and biosensor interface; representative waveforms of common diagnostic bioelectronic sensing modalities.
Charles Stark +3 more
wiley +1 more source