معنی فارسی light-years
B2سال نوری، واحدی برای اندازهگیری فاصله در کیهان که معادل مسافتی است که نور در یک سال میپیماید.
A unit of distance used in astronomy, equivalent to the distance that light travels in a vacuum in one Julian year.
- noun
A unit of length (abbreviation ly; equal to just under 10 trillion kilometres (1016 metres)) equal to the distance light travels in one Julian year; used to measure extremely large distances.
(only in plural) A very long way.
The marathon runner in the lead is light years ahead of the one at the back.
(only in plural) A very long time.
Some of Leonardo da Vinci’s inventions were light years ahead of their time.
سال نوری مسافت را که نور در یک سال سفر میکند اندازهگیری میکند.
Light-years measure the distance that light travels in one year.
نزدیکترین ستاره حدوداً چهار سال نوری از زمین فاصله دارد.
The nearest star is about four light-years away from Earth.
معنی فارسی کلمه light-years
:
سال نوری، واحدی برای اندازهگیری فاصله در کیهان که معادل مسافتی است که نور در یک سال میپیماید.