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单词 sidereal time
释义
sidereal time
(once / 147742 pages)
n

WORD FAMILY
sidereal time: sidereal times
USAGE EXAMPLES
When time is calculated by the stars it is called sidereal time; when by the sun, solar, or apparent time.
Jones, Thomas P., Conversations on Natural Philosophy...(2011)
"Billy, tell me what they mean by 'sidereal time.'"
Jacks, L. P. (Lawrence Pearsall), All Men are Ghosts(2011)
II.—The stars and their diurnal motion 10 Finding the stars—Their apparent motion—Latitude—Direction of the meridian—Sidereal time—Definitions.
Comstock, George C., A Text-Book of Astronomy(2011)
n measured by the diurnal motion of stars
Hypo|Hyper
day, 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
sidereal year
the time for the earth to make one complete revolution around the sun, relative to the fixed stars
sidereal hour
1/24 of a sidereal day
sidereal month
period between successive conjunctions with a star, 27.322 days
cosmic time
the time covered by the physical formation and development of the universe
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更新时间:2024/9/22 12:51:23