Question

THE PHYSICAL QUANTITY WHICH IS MEASURED IN UNIT "ly"............................

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Answer 1

Answer:

The distance between 2 or more particle/planets/stars in space is measured in Light years (ly )

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Answer 2

Answer:

Explanation:

So scientist uses a different length unit called light-year (ly) which is the distance that light travels for one year (speed of light is 3 × 108 m/s).