Definitions from Wiktionary (diurnal motion)
▸ noun: (astronomy) The apparent westward rotation of the celestial sphere, along with the apparent westward revolution of celestial objects, around the celestial poles due to prograde (eastward) rotation of planet Earth relative to the seemingly fixed stars – completed once each sidereal day (about 23 hours, 56 minutes, 4 seconds).
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▸ noun: (astronomy) The apparent westward rotation of the celestial sphere, along with the apparent westward revolution of celestial objects, around the celestial poles due to prograde (eastward) rotation of planet Earth relative to the seemingly fixed stars – completed once each sidereal day (about 23 hours, 56 minutes, 4 seconds).
Similar:
sidereal time,
diurnal aberration,
stellar day,
sidereal day,
sidereal rotation period,
diurnal arc,
proper motion,
sidereal period,
dayside,
lation,
more...
Opposite:
Phrases:
▸ Words similar to diurnal motion
▸ Usage examples for diurnal motion
▸ Idioms related to diurnal motion
▸ Wikipedia articles (New!)
▸ Words that often appear near diurnal motion
▸ Rhymes of diurnal motion
▸ Invented words related to diurnal motion