Question

define light year and express in metre​

Answer 1

Answer:

The light-year is a unit of length used to express astronomical distances and is equivalent to about 9.46 trillion kilometres (9.46×1012 km) or 5.88 trillion miles (5.88×1012 mi). ... Because it includes the word "year", the term light-year may be misinterpreted as a unit of time.

Imperial & US units: 5.8786×1012 mi

Astronomical units: 63241 au; 0.3066 pc

Unit of: length

Answer 2

define light year and express in metre.

The light-year is a unit of length used to express astronomical distances and is equivalent to about 9.46 trillion kilometres (9.46×1012 km) or 5.88 trillion miles (5.88×1012 mi). ... Because it includes the word "year", the term light-year may be misinterpreted as a unit of time.