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SIDEREAL DAY [1 record]

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Alphabetical list of terms

Record 1 2017-09-18

English

Subject field(s)
  • Astronomy
DEF

The time between two successive passages of the vernal equinox across the meridian: it measures one rotation of the earth and equals 23 hours, 56 minutes, 4.1 seconds of mean solar time.

Key term(s)
  • sideral day

French

Domaine(s)
  • Astronomie
DEF

Durée d'une rotation complète de la Terre sur son axe par rapport aux étoiles fixes, qui équivaut à 23 heures, 56 minutes, 4,1 secondes du temps solaire moyen.

Spanish

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