Concept information
Terme préférentiel
dark cloud
Définition(s)
- A relatively dense cloud of interstellar gas, mainly molecular, whose dust particles obscure the light of stars behind it. A famous example is the Horsehead Nebula silhouetted against the reddish glow of the H II region IC 434. Individual dark clouds come in a range of sizes from tens of light-years to tiny Bok globules of only a few thousands astronomical units. (An Etymological Dictionary of Astronomy and Astrophysics, by M. Heydari-Malayeri, https://dictionary.obspm.fr/index.php?formSearchTextfield=dark+cloud&formSubmit=Search&showAll=1)
Concept(s) générique(s)
Traductions
-
français
URI
http://data.loterre.fr/ark:/67375/MDL-Z48NX4X7-K
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