SCREENING and spin doublets in X-ray spectra are matters of great significance. The formation of these doublets in X-ray diagram lines is now well known and has received satisfactory theoretical ...

OWING to a number of unforeseen circumstances, mostly beyond our control, an incorrect version of part of our communication under the above title was printed in Nature of December 22, 1951. Our main ...

X-rays, a type of electromagnetic radiation with wavelengths from 0.01 to 10 nanometers, pack enough energy to pierce materials and interact with inner-shell electrons. 1 When they hit a sample, ...

X-ray spectroscopy is a technique that detects and measures photons, or particles of light, that have wavelengths in the X-ray portion of the electromagnetic spectrum. It's used to help scientists ...

Chandra, the world’s most powerful X-ray telescope, has been peering at black holes, stellar explosions and dark energy for a quarter-century Carlyn Kranking - Associate Web Editor, Science ...

The latest visitor from deep space is leaving a mark that stretches far beyond its icy core. Interstellar comet 3I/ATLAS is wrapped in an enormous X-ray glow that extends roughly 250,000 miles into ...