A light-year is a unit used to measure:

Topic: Astronomy &amp; Space Exploration
Subtopic: Astronomical Units

ATime

BDistance

CLight intensity

DVelocity

Explanation

A light-year is the astronomical unit of distance that light travels in one Julian year (approx. 9.46 trillion km).

Exam Relevance

Submitted by: mcqstutor Team More Everyday Science MCQs →