Concept information
Terme préférentiel
Bok globule
Définition
- A small, roughly spherical cloud of interstellar dust and gas that appears as a dark compact globule when viewed against the background of an H II region. Bok globules range in mass from about 1 to 1,000 or more solar masses, and in size from about 10,000 astronomical units to 3 light-years. They typically have temperatures of around 10 Kelvin. Bok globules are thought to represent a stage in the collapse of a dense fragment of molecular clouds that are in the process of forming new stars. (An Etymological Dictionary of Astronomy and Astrophysics, by M. Heydari-Malayeri, https://dictionary.obspm.fr/index.php?formSearchTextfield=bok&formSubmit=Search&showAll=1)
Concept générique
Traductions
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français
URI
http://data.loterre.fr/ark:/67375/MDL-B10NL0WX-T
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