Question

Why is the distance between heavenly bodies expressed in light years

Answer 1

The distances of the universe are so great that ‘kilometre’ is an extremely small and inconvenient unit to express such large distances. The extremely large distances between the various heavenly bodies like the stars and planets can be expressed in terms of two units : (i) Light year, and (ii) Parsec.

Answer 2

Hola Mate!!

Here's your answer:-

The distance of the heavenly bodies from earth is very large.So, it is inconvenient to express these distance in kilometre (km).
Thus, these large distance are expressed in light years.

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