Results 21 to 30 of about 112 (94)

Isolation, not locality

Philosophy and Phenomenological Research, Volume 103, Issue 3, Page 607-619, November 2021., 2021
Abstract There is a long tradition of preferring local theories to ones that posit lawful or causal influence at a spacetime distance. In this paper, we argue against this preference. We argue that nonlocality is scientifically unobjectionable and that nonlocal theories can be known.
Heather Demarest, Michael Townsen Hicks
wiley   +1 more source

A DETAILED STUDY OF THE MOLECULAR AND ATOMIC GAS TOWARD THE γ-RAY SUPERNOVA REMNANT RX J1713.7–3946: SPATIAL TeV γ-RAY AND INTERSTELLAR MEDIUM GAS CORRESPONDENCE [PDF]

The Astrophysical Journal, 2012
Comment: 21 pages, 20 figures, 1 table, accepted for publication in the Astrophysical ...
Akiko Kawamura, Yasuo Fukui, Akira Mizuno, T. Okuda, Norikazu Mizuno, Kazufumi Torii, Hirotaka Horachi, Hiroaki Yamamoto, Toshikazu Onishi, Toshikazu Onishi, Takahiro Hayakawa, J. Sato, Hideo Ogawa, Shu-ichiro Inutsuka, Tsuyoshi Inoue, Naomi McClure-Griffiths, Hidetoshi Sano, Gavin Rowell   +17 more
openaire   +5 more sources

The impact of student misconceptions on student persistence in a MOOC

Journal of Research in Science Teaching, Volume 57, Issue 6, Page 879-910, August 2020., 2020
Abstract Massive Online Open Courses (MOOCs) provide opportunities to learn a vast range of subjects. Because MOOCs are open to anyone with computer access and rarely have prerequisite requirements, the range of student backgrounds can be far more varied than in conventional classroom‐based courses.
Chen Chen, Gerhard Sonnert, Philip M. Sadler, Dimitar Sasselov, Colin Fredericks   +4 more
wiley   +1 more source

Supernova remnants in nearby galaxies

Astronomische Nachrichten, Volume 341, Issue 2, Page 156-162, February 2020., 2020
Abstract Supernova remnants (SNRs) are the aftermath of stellar explosions, which inject large amounts of energy into the interstellar medium (ISM), carving out new structures and transferring kinetic energy to the ISM. They also act as recycling centers, which return elements processed in stars to the ISM, and cosmic particle accelerators.
Manami Sasaki
wiley   +1 more source

Anisotropic Thermal Conduction in Supernova Remnants: Relevance to Hot-Gas Filling Factors in the Magnetized Interstellar Medium

The Astrophysical Journal, 2006
We explore the importance of anisotropic thermal conduction in the evolution of supernova remnants via numerical simulations. The mean temperature of the bubble of hot gas is decreased by a factor of ~3 compared to simulations without thermal conduction, together with an increase in the mean density of hot gas by a similar factor.
David A. Tilley, Dinshaw S. Balsara
openaire   +3 more sources

A new approach to generate a catalogue of potential historical novae

Astronomische Nachrichten, Volume 341, Issue 1, Page 79-98, January 2020., 2020
Abstract Ancient Chinese, Korean, and Vietnamese observers left us records of celestial sightings, the so‐called “guest stars” dated up to ∼2500 years ago. Their identification with modern observable targets could open interesting insights into the long‐term behavior of astronomical objects, as shown by the successful identification of eight galactic ...
Susanne M. Hoffmann, Nikolaus Vogt, Philipp Protte   +2 more
wiley   +1 more source

A Flight Back to Ground: Jung’s Recalcitrant Fourth as Rape into Consciousness. Symbolic Rape and Literal Rape in Persephone’s Myth

Journal of Analytical Psychology, EarlyView.
Abstract Patricia Berry’s interpretation of the Demeter/Persephone myth, and her concept of rape into consciousness, illuminate intrapsychic dynamics. However, this symbolic lens may inadvertently distance us from the devastating nature of literal rape—a reality the Homeric Hymn encapsulates.
Barbara Cerminara
wiley   +1 more source

Can We Draw Conclusions on Supernova Shock Wave Propagation Using Short‐Lived Radioactive Isotopes?

Astronomische Nachrichten, Volume 346, Issue 3-4, March-May 2025.
ABSTRACT We run a three‐dimensional Galactic chemical evolution (GCE) model to follow the propagation of 53Mn (exclusively produced from type Ia supernovae, SNIa), 60Fe (exclusively produced from core‐collapse supernovae, CCSNe), 182Hf (exclusively produced from intermediate mass stars, IMSs), and 244Pu (exclusively produced from neutron star mergers ...
Benjamin Wehmeyer, Andrés Yagüe López, Benoit Côté, Maria K. Petö, Chiaki Kobayashi, Maria Lugaro   +5 more
wiley   +1 more source

Dark Energy From the Gravitational Wave Background With Scalar Field Dark Matter

Astronomische Nachrichten, Volume 346, Issue 3-4, March-May 2025.
ABSTRACT Recent observational results, such as those from pulsar timing arrays (PTA), suggest a low‐frequency Gravitational Wave Background (GWB) permeates our universe. This opens the possibility that gravitational waves could span a broader spectrum, potentially impacting cosmological scales.
Edwin L. Pérez‐Ochoa, Tonatiuh Matos
wiley   +1 more source

Probing extreme black‐hole outflows on short timescales via high spectral‐resolution x‐ray imagers

Astronomische Nachrichten, Volume 345, Issue 6-7, July-August 2024.
Abstract We investigate outflows and the physics of super‐Eddington versus sub‐Eddington regimes in black hole systems. Our focus is on prospective science using next‐generation high‐resolution soft x‐ray instruments. We highlight the properties of black hole ultraluminous x‐ray source (ULX) systems in particular. Owing to scale invariance in accreting
C. Pinto, J. F. Steiner, A. Bodaghee, P. Chakraborty, M. Sobolewska, D. R. Pasham, A. Ogorzalek, J. Zuhone, A. Bogdan, M. Vogelsberger   +9 more
wiley   +1 more source