Light years.
Strictly speaking, professional astronomers use "parsecs". However they also use light years, which are better known to most people.
usually the space is measured in light years
Usually light-years, or parsecs.
light year the DISTANCE light travels in a year so 'light year' is not a measure of time.
Answer #1:no=================Answer #2:Yes.Another answer: The primary use of triangulation may not be to measure the distance of stars, but the method which is used to measure the distance of close stars is primarily triangulation.
To measure the distance of stars you have to measure by light years.
light years
An astronomer
The appliance of science
Distance.
It was on a Quantitative scale by the Greek astronomer Hipparchus around 130 BC.
You can measure it by using absolute magnitude.
With a long measuring tape.