Concept information
Terme préférentiel
Crab Nebula
Définition(s)
- An expanding cloud of debris from the explosion of a Type I supernova in the constellation Taurus. Its light reached Earth in 1054 and was visible to the naked eye even in the daytime. Lying about 6,300 light-years away, the Crab nebula is an intense radio source (Tau A), and also a source of X-rays and gamma-rays. The diameter of the supernova remnant is about 6 light-years; it is expanding at velocity of 1000 km/sec. (An Etymological Dictionary of Astronomy and Astrophysics, by M. Heydari-Malayeri, https://dictionary.obspm.fr/index.php?formSearchTextfield=crab+nebula&formSubmit=Search&showAll=1)
Concept(s) générique(s)
Traductions
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français
URI
http://data.loterre.fr/ark:/67375/MDL-HLDK792C-J
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