guāng
nián

technical

Meaning of 光年

光年 means light-year; the distance light travels in one year in a vacuum. Pronounced guāng nián.

  • light-year; the distance light travels in one year in a vacuum

Definitions & Examples

men
zuì
jìn
de
héng
xīng
yuē
yǒu
4
 .
diǎn2
èr
guāng
nián
 

The nearest star to us is about 4.2 light-years away.

Yín
de
zhí
jìng
yuē
wéi
shí1
wàn0
guāng
nián
 
 

The diameter of the Milky Way is about 100,000 light-years.

Guāng
zài
nián
zhōng
zǒu
guò
de
chéng
jiào
zuò
guāng
nián
 

The distance that light travels in one year is called one light-year.

Zhè
héng
xīng
qiú
yuē
yǒu
shí1
guāng0
nián
 
 

This star is approximately 10 light-years away from Earth.