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###### 5 Comments to “A light year is a unit of ?”
1. Rahul Eassrani says:

answer is distance not length
A light-year is a unit of distance. It is the distance that light can travel in one year. Light moves at a velocity of about 300,000 kilometers (km) each second. So in one year, it can travel about 10 trillion km.

1. The light-year is a unit of length used to express astronomical distances and measures about 9.46 trillion kilometres (9.46 x 1012 km) or 5.88 trillion miles (5.88 x 1012 mi).

2. Behroz baloch says:

A light-year is a unit of Distance not length. It is the distance that light can travel in one year. Light moves at a velocity of about 300,000 kilometers (km) each second. So in one year, it can travel about 10 trillion km

1. The light-year is a unit of length used to express astronomical distances and measures about 9.46 trillion kilometres (9.46 x 1012 km) or 5.88 trillion miles (5.88 x 1012 mi).

1. Shahbaz Jiskani says:

This mcq is wrong . Light year is used measured the distance not the length. There is alot of difference between the length and distance. Please correct the above mcq.