Concept information
Terme préférentiel
neutral hydrogen atom
Définition(s)
- Non-ionized atomic hydrogen gas which constitutes an important component of the interstellar medium, accounting for perhaps half its mass, even though its density is very low. Its radio emission 21-centimeter line has made it possible to map the distribution of neutral hydrogen in the spiral arms of our own Galaxy and other nearby galaxies. (An Etymological Dictionary of Astronomy and Astrophysics, by M. Heydari-Malayeri, https://dictionary.obspm.fr/index.php?formSearchTextfield=neutral+hydrogen&formSubmit=Search&showAll=1)
Concept(s) générique(s)
Traductions
-
français
URI
http://data.loterre.fr/ark:/67375/MDL-NNP9DXCN-S
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