observed X-ray background is thought to result from, at the "soft" end (below 0.3 keV), galactic X-ray emission, the "galactic" X-ray background, and, at...

period. A combination of many unresolved X-ray sources is thought to produce the observed X-ray background. The X-ray continuum can arise from bremsstrahlung...

Gravitational wave background X-ray background Background process, software that is running but not being displayed String background Computer wallpaper...

An X-ray (also known in many languages as Röntgen radiation) is a form of high-energy electromagnetic radiation with a wavelength shorter than those of...

X-ray background Naturally occurring radionuclides Artificial X-ray sources Radiopharmaceuticals in radiopharmacology Radioactive tracer Brachytherapy X-ray...

X-ray astronomy is an observational branch of astronomy which deals with the study of X-ray observation and detection from astronomical objects. X-radiation...

infrared, x-rays, etc., with different causes, and they can sometimes be resolved into an individual source. See cosmic infrared background and X-ray background...

X-ray fluorescence (XRF) is the emission of characteristic "secondary" (or fluorescent) X-rays from a material that has been excited by being bombarded...

X-ray scattering techniques are a family of non-destructive analytical techniques which reveal information about the crystal structure, chemical composition...

radiation emitted by such a plasma would exceed the amount of observed X-rays. Therefore, in the steady-state cosmological model, thermal instability...