Meaning of 天轴
天轴 means celestial axis; the imaginary axis formed by extending Earth's rotation axis to intersect with the celestial sphere. Pronounced tiān zhóu.
- celestial axis; the imaginary axis formed by extending Earth's rotation axis to intersect with the celestial sphere
Definitions & Examples
Tiān天
zhóu轴
shì是
tiān天
qiú球
zuò坐
biāo标
xì系
zhōng中
de的
zhòng重
yào要
cān参
kǎo考
xiàn线
。
The celestial axis is an important reference line in the celestial coordinate system.
Dì地
qiú球
zì自
zhuǎn转
zhóu轴
yán延
cháng长
hòu后
yǔ与
tiān天
qiú球
xiāng相
jiāo交
yú于
liǎng两
diǎn点
，
lián连
jiē接
zhè这
liǎng两
diǎn点
de的
zhí直
xiàn线
jí即
wéi为
tiān天
zhóu轴
。
When Earth's rotation axis is extended, it intersects the celestial sphere at two points; the straight line connecting these two points is the celestial axis.
Gǔ古
dài代
tiān天
wén文
xué学
jiā家
tōng通
guò过
guān观
chá察
běi北
jí极
xīng星
lái来
què确
dìng定
tiān天
zhóu轴
de的
fāng方
xiàng向
。
Ancient astronomers determined the direction of the celestial axis by observing the North Star.
Measure Words
根/ gēn
Primary
条/ tiáo