Sentences with phrase «atomic hydrogen line»
Interference, or «radio noise», even occurs at the wavelength of the famous 21 - centimetre atomic hydrogen line, which many SETI researchers believe another intelligence would logically chose for communication — if such intelligence existed (see «SETI: the search continues», New Scientist, 10 October).
https://www.newscientist.com/ Not exact matches
The orbital speed is found from the doppler shifts of the 21 - cm line radiation from the atomic hydrogen gas.
The inset images highlight two example members that glow in the Ly - alpha line of atomic hydrogen.