Results 81 to 90 of about 53,472 (261)
Rapid Communications in Mass Spectrometry, Volume 39, Issue 23, 15 December 2025.ABSTRACT Background Obtaining isotopic data on soluble organic compounds, such as amino acids, in extraterrestrial samples is crucial for understanding their origins, prebiotic chemistry, and potential contamination. Conventional GC‐IRMS requires grams of material to measure isotopic compositions, limiting the analysis of low‐concentration organics in ...
O. M. McIntosh +9 more
wiley +1 more source
Role of solar flare index in long term modulation of cosmic ray intensity [PDF]
Recently, the importance of the occurrence of solar flares in the long-term modulation of cosmic ray intensity has been re-emphasized. For this purpose, the data of solar flares have been used from various publications, such as Solar Geophysical Data ...
Agrawal, S. P. +4 more
core +1 more source
The Shape of M Dwarf Flares in Kepler Light Curves
, 2015 Ultra-precise light curves from Kepler provide the best opportunity to determine rates and statistical properties of stellar flares. From 11 months of data on the active M4 dwarf, GJ 1243, we have built the largest catalog of flares for a single star ...
Davenport, James R. A.
core +1 more source
Solar flares and energetic particles [PDF]
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2012 Solar flares are now observed at all wavelengths from γ -rays to decametre radio waves. They are commonly associated with efficient production of energetic particles at all energies. These particles play a major role in the active Sun because they contain a large amount of the energy released during flares ...
openaire +3 more sources
Operational prediction of solar flares using a transformer-based framework. [PDF]
Sci Rep, 2023 Abduallah Y, Wang JTL, Wang H, Xu Y.
europepmc +1 more source
Super active regions and production of major solar flares [PDF]
The success of imaging detectors with small fields of veiw such as HXIS or P/OF (Pinhole/Occulter Facility) depends heavily on pointing to the right place at the right time.
Bai, T.
core +1 more source
Driving Influences of the Doppler Flash Observed by SuperDARN HF Radars in Response to Solar Flares. [PDF]
J Geophys Res Space Phys, 2022 Chakraborty S +5 more
europepmc +1 more source
Survey on solar X-ray flares and associated coherent radio emissions
, 2004 The radio emission during 201 X-ray selected solar flares was surveyed from 100 MHz to 4 GHz with the Phoenix-2 spectrometer of ETH Zurich. The selection includes all RHESSI flares larger than C5.0 jointly observed from launch until June 30, 2003 ...
A. O. Benz +39 more
core +1 more source
Four New Horsemen of an Apocalypse? Solar Flares, Super-volcanoes, Pandemics, and Artificial Intelligence. [PDF]
Econ Disaster Clim Chang, 2022 Noy I, Uher T.
europepmc +1 more source