- XUV flux
- поток ультрафиолетового и рентгеновского излучения
English-russian dictionary of physics. 2013.
English-russian dictionary of physics. 2013.
X-ray astronomy — X rays start at 0.008 nm and extend across the electromagnetic spectrum to 8 nm, over which the Earth s atmosphere is opaque. X ray astronomy is an observational branch of astronomy which deals with the study of X ray observation and detection… … Wikipedia