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Hace 1 día · These photons become manifest in terrestrial gamma-ray flashes and are the source for beams of electrons, positrons, neutrons and protons. The appearance of Bremsstrahlung photons also influences the propagation and morphology of discharges in nitrogen-oxygen mixtures with low percentages of oxygen.
Hace 3 días · Euler's constant (sometimes called the Euler–Mascheroni constant) is a mathematical constant, usually denoted by the lowercase Greek letter gamma (γ), defined as the limiting difference between the harmonic series and the natural logarithm, denoted here by log:
Hace 1 día · A 50-year-old man used an obscure IRS rule to withdraw $20K a year from his retirement savings — without any penalty. Here's how. NASA’s Fermi Gamma-ray Space Telescope "detected none of the ...
Hace 5 días · In this work, we investigate the spectrum and energy-dependent morphology of HAWC J2031+415. We associate HAWC J2031+415 with the pulsar PSR J2032+4127 and perform a combined multi-wavelength analysis using radio, X-ray, and γ -ray emission.
Hace 5 días · Figura di spicco nel mondo metal e pioniere delle sonorità Power, Kai Hansen, dopo i numerosi successi conseguiti con gli Helloween, fonda, nel 1989, i Gamma Ray. La nuova band permette al vulcanico chitarrista-compositore di esprimere al meglio tutte le proprie potenzialità ed il proprio genio musicale.
2 de jul. de 2024 · Silhouette Sign, Right Middle Lobe Mass. On the frontal image, there is a large mass in the right lower lung field. We note it is "silhouetting" the right heart border (red arrow) which is no longer seen as a distinct edge. It is not silhouetting the right hemidiaphragm (black arrow).
Hace 4 días · Ionizing radiation includes the more energetic end of the electromagnetic spectrum (X-rays and gamma rays) and subatomic particles, such as electrons, neutrons, and alpha particles (helium nuclei each comprising two protons and two neutrons).
