Light years is a measure of

Question

Light years is a measure of

1. A. Time
2. B. Distance (Correct answer)
3. C. Speed
4. D. Luminosity

Correct Answer

Option B — Distance

Detailed Solution & Explanation

The correct answer is Distance.

Key Points

• A light year is the distance light travels in one year in a vacuum, approximately 9.46 × 10¹² km.
• Despite having "year" in its name, it is a unit of distance, not time.
• It is used to measure astronomical distances between stars and galaxies.