Results 231 to 240 of about 744 (246)
Pulmonary Hypertension in Systemic Lupus Erythematosus: Current Evidence and Future Directions. [PDF]
CureusSantacruz JC +6 more
europepmc +1 more source
Optimizing photosynthetic light-harvesting under stars: Generalized thermodynamic models
Chitnavis S +6 more
europepmc +1 more source
Some of the next articles are maybe not open access.
Related searches:
Related searches:
Bulletin of the Crimean Astrophysical Observatory, 2014
Different aspects of stellar flares as one of the events of stellar activity with different levels of similarity to solar-activity phenomena are briefly discussed: those which are understandable by means of scaling of solar events, those that do not occur on the Sun but general solar features allow us to understand them, and such stellar events that ...
openaire +1 more source
Different aspects of stellar flares as one of the events of stellar activity with different levels of similarity to solar-activity phenomena are briefly discussed: those which are understandable by means of scaling of solar events, those that do not occur on the Sun but general solar features allow us to understand them, and such stellar events that ...
openaire +1 more source
Solar Physics, 1977
Short-lived increases in the brightness of many red dwarfs have been observed for the last 30 yr, and a variety of more or less exotic models have been proposed to account for such flares. Information about flares in the Sun has progressed greatly in recent years as a result of spacecraft experiments, and properties of coronal flare plasma are becoming
openaire +1 more source
Short-lived increases in the brightness of many red dwarfs have been observed for the last 30 yr, and a variety of more or less exotic models have been proposed to account for such flares. Information about flares in the Sun has progressed greatly in recent years as a result of spacecraft experiments, and properties of coronal flare plasma are becoming
openaire +1 more source
Philosophical Transactions of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences, 2000
New observations by space telescopes during the last ten years have led to significant advances in understanding the nature of solar flares. X–ray and UV imaging of flare emissions have confirmed that flares are powered by the sudden release of magnetic energy associated with currents flowing in the solar atmosphere.
openaire +1 more source
New observations by space telescopes during the last ten years have led to significant advances in understanding the nature of solar flares. X–ray and UV imaging of flare emissions have confirmed that flares are powered by the sudden release of magnetic energy associated with currents flowing in the solar atmosphere.
openaire +1 more source
Solar Physics, 1967
Some ideas are developed concerning solar flares which have been presented earlier by the author (Schatzman, 1966a). Emphasis is laid on the problem of energy transport; from the energy supply to the region of the optical flare, on the storage of low energy cosmic ray particles in a magnetic bottle before the beginning of the optical flare, and the ...
openaire +1 more source
Some ideas are developed concerning solar flares which have been presented earlier by the author (Schatzman, 1966a). Emphasis is laid on the problem of energy transport; from the energy supply to the region of the optical flare, on the storage of low energy cosmic ray particles in a magnetic bottle before the beginning of the optical flare, and the ...
openaire +1 more source
1996
What is the importance of stellar X-ray flares to astrophysics, or even more, to the world at large? In the case of the Sun, changes in solar activity at the two temporal extremes can have quite significant consequences. Long-term changes in solar activity, such as the Maunder Minimum, can apparently lead to non-negligible alterations of the earth’s ...
openaire +1 more source
What is the importance of stellar X-ray flares to astrophysics, or even more, to the world at large? In the case of the Sun, changes in solar activity at the two temporal extremes can have quite significant consequences. Long-term changes in solar activity, such as the Maunder Minimum, can apparently lead to non-negligible alterations of the earth’s ...
openaire +1 more source
Modeling solar and stellar flares
Advances in Space Research, 2003Abstract The thermal phase of solar X-ray flares has been described as heating-triggered evolution of plasma confined in coronal loops. This paper describes how the modeling of the thermal phase of spatially resolved solar X-ray flares has been extended to investigate spatially unresolved stellar X-ray flares with different scopes, aims and ...
openaire +1 more source
Stellar Flares: Observations and Modelling
1992Increasing observational evidence shows that stellar flares, especially those on M dwarf stars, have many similarities with solar flares. Their energies, however, can be many orders of magnitude larger. Observations of stellar flares at all wavelengths from X-rays to the radio are reviewed stressing the similarities and differences with respect to the ...
openaire +1 more source
Stellar Flare Optimization Algorithm
Various physical phenomena in nature provide a wealth of heuristic inspiration for optimization algorithms. This paper proposes a new heuristic optimization algorithm based on the stellar flare phenomenon, the Stellar Flare Optimization Algorithm (SFOA). This algorithm achieves efficient search for complex optimization problems by simulating the suddenopenaire +1 more source