Passer au contenu principal

Astronomy (thesaurus)

Choisissez le vocabulaire dans lequel chercher

Concept information

Terme préférentiel

Doppler effect  

Définition

  • Change in frequency of a wave (light, sound) due to the relative motion of source and receiver. Approaching objects have their wavelengths shortened. Receding objects have emitted wavelengths lengthened. Doppler, after Christian Andreas Doppler (1803-1853), Austrian physicist who first described how the observed frequency of sound and light waves is affected by the relative motion of the source and the detector. (An Etymological Dictionary of Astronomy and Astrophysics, by M. Heydari-Malayeri, https://dictionary.obspm.fr/index.php?formSearchTextfield=doppler+effect&formSubmit=Search&showAll=1)

Concept générique

Synonyme(s)

  • Doppler broadening
  • Doppler shift

Traductions

  • français

  • déplacement Doppler
  • élargissement Doppler

URI

http://data.loterre.fr/ark:/67375/MDL-XCB0VD01-N

Télécharger ce concept :