héng
xīng
nián

technical
astronomy
noun

Meaning of 恒星年

恒星年 means sidereal year; the actual time required for Earth to complete one orbit around the Sun. Pronounced héng xīng nián.

  • sidereal year; the actual time required for Earth to complete one orbit around the Sun

Definitions & Examples

héng
xīng
nián
děng
sān3
bǎi6
liù5
shí
6
tiān
liù
xiǎo9
shí
jiǔ1
fēn0
shí
 

One sidereal year equals 365 days, 6 hours, 9 minutes, and 10 seconds.

Tiān
wén
xué
jiā
shǐ使
yòng
héng
xīng
nián
lái
suàn
xíng
xīng
de
cháng
wèi
zhi
 

Astronomers use the sidereal year to calculate the long-term positions of planets.

Yóu
suì
chā
 
héng
xīng
nián
huí
guī
nián
cháng
yuē
èr2
shí0
fēn
zhōng
 

Due to precession, the sidereal year is about 20 minutes longer than the tropical year.

Héng
xīng
nián
de
cháng
shì
dìng
de
 
ér
huí
guī
nián
huì
yīn
suì
chā
ér
huǎn
màn
biàn
huà
 

The length of the sidereal year is fixed, while the tropical year changes slowly due to precession.

Relations

Measure Words

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