At various stages of a discussion, an astronomer might express lengths and distance in any of the following units:
-- miles
-- meters
-- kilometers
-- AU
-- light seconds
-- light weeks
-- light years
-- parsecs
-- megaparsecs
-- millimeters
-- Angstroms
-- nanometers
-- furlongs
Kilometers are a unit of length, used to measure distance.
fro science astronomical units are used.BUt we use light year as a unit of science for distance
Meters. It's the same unit you would use for length, or distance.
Light Years.
Astronomers commonly use the unit of measurement called a "light-year" to describe vast distances in space. One light-year is the distance that light travels in one year, approximately 5.88 trillion miles or 9.46 trillion kilometers.
AnswerMiles, and that distance is about 480.8 miles
metres
Km
The metre is the metric unit for distance. You can also use fractions like cm, or multiples like km.
You would use a length/distance unit, such as meters or kilometers.
A kilometre would be the most appropriate unit.
use your brain to count