Light year is a measure of A. time B. distance C. total amount of l

1.	Light year is a measure of A. time B. distance C. total amount of light falling on the Earth in a year D. average intensity of light falling on the Earth in a year
Answer» Correct option (b) distance Explanation: A light-year is a unit of distance, not time. A light-year is how astronomers measure distance in space. As defined by the International Astronomical Union (IAU), a light-year is the distance that light travels in vacuum in one Julian year. It is equal to 9.4607 × 10¹⁵ m.

Light year is a measure of A. time B. distance C. total amount of light falling on the Earth in a year D. average intensity of light falling on the Earth in a year

Answer»

Correct option (b) distance

Explanation:

A light-year is a unit of distance, not time. A light-year is how astronomers measure distance in space.

As defined by the International Astronomical Union (IAU), a light-year is the distance that light travels in vacuum in one Julian year. It is equal to 9.4607 × 10¹⁵ m.

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Light year is a measure of A. time B. distance C. total amount of light falling on the Earth in a year D. average intensity of light falling on the Earth in a year

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