最終更新日：2024/08/07
(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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diurnal motion
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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).
意味（1）
(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).
