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Astronomy (thesaurus)

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Concept information

Preferred term

Dione  

Definition

  • The fourth largest moon of Saturn and the second densest after Titan. Its diameter is 1,120 km and its orbit 377,400 km from Saturn. It is composed primarily of water ice but must have a considerable fraction of denser material like silicate rock. Discovered in 1684 by Jean-Dominique Cassini, Italian born French astronomer (1625-1712). In Gk. mythology Dione was the mother of Aphrodite (Venus) by Zeus (Jupiter). (An Etymological Dictionary of Astronomy and Astrophysics, by M. Heydari-Malayeri, https://dictionary.obspm.fr/index.php?formSearchTextfield=dione&formSubmit=Search&showAll=1)

Broader concept

Entry terms

  • Saturn IV

In other languages

URI

http://data.loterre.fr/ark:/67375/MDL-RRCJZD5T-L

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