Meaning of 岁差
岁差 means precession of the equinoxes; the slow conical motion of Earth's axis caused by the gravitational pull of the sun and moon on Earth's equatorial bulge. Pronounced suì chā.
- precession of the equinoxes; the slow conical motion of Earth's axis caused by the gravitational pull of the sun and moon on Earth's equatorial bulge
Definitions & Examples
Suì岁
chā差
de的
zhōu周
qī期
yuē约
wéi为
èr二
wàn万
wǔ五
qiān千
bā八
bǎi百
nián年
。
The cycle of precession is approximately 25,800 years.
Yóu由
yú于
suì岁
chā差
de的
yǐng影
xiǎng响
，
chūn春
fēn分
diǎn点
měi每
nián年
xī西
yí移
yuē约
wǔ五
shí十
jiǎo角
miǎo秒
。
Due to the effect of precession, the vernal equinox shifts westward by about 50 arcseconds each year.
Gǔ古
Xī希
là腊
tiān天
wén文
xué学
jiā家
Xǐ喜
pà帕
qià恰
sī斯
zuì最
zǎo早
fā发
xiàn现
le了
suì岁
chā差
xiàn现
xiàng象
。
The ancient Greek astronomer Hipparchus was the first to discover the phenomenon of precession.
Measure Words
种/ zhǒng
Primary
项/ xiàng