Other Definitions
sidereal day (enc)
Sidereal Day
Noun
1.
sidereal day
- the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day
day
time unit
,
unit of time
- a unit for measuring time periods
sidereal time
- measured by the diurnal motion of stars
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side look
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side to side
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