Question

Что такое световой год? И где используют эту единицу????

Answer 1

Cветовой год - это единица расстояния, принятая в астрономии.
Световой год - это расстояние, которое проходит солнечный луч за год, то есть за 365 дней.
Поэтому световой год равен 9460800000000 км, то есть около 10 триллионов километров.

Answer 2

Это вроде расстояние в астрономии

Answer 3

What is a light-year?

A light-year is a unit of distance used in astronomy to measure vast distances in space. It represents the distance that light travels in one year in a vacuum. Since light travels at a speed of approximately 299,792 kilometers per second (or about 186,282 miles per second), a light-year is equivalent to about 9.461 trillion kilometers (or about 5.878 trillion miles).

Where is this unit used?

The light-year is primarily used in astronomy and astrophysics to describe the vast distances between celestial objects. It allows scientists to measure and discuss distances on a cosmic scale. Since the distances between stars and galaxies are incredibly large, using kilometers or miles would be impractical. The light-year provides a more convenient unit of measurement for these astronomical distances.

It's important to note that the light-year is not a unit of time, despite its name. It is solely a unit of distance and represents the distance that light can travel in one year