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It's calculated, not measured.

It's the speed of light ... 299,792,458 meters per second ...

multiplied by the number of seconds in a standard year.

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11y ago
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Q: How is the unit lightyear measured?
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Related questions

Astronomical distances are commonly measured in this unit?

lightyear


Why are stars measured in lightyear?

Because they are so far away


What is united?

A unit is what we measure something in. It helps us know both what is being measured, and the scale that is being measured. For example, if the unit is an inch, then we're measuring the length of something relatively small. If the unit is a lightyear, then we're measuring the distance of something huge (most likely the space between things in outer space).


Which mectric unit would be used for the speed of light?

lightyear.


What unit do you use to measure the distance between one star to another star?

lightyear


Is the magnitude of force measured in grams or newtons?

Force is measured in newton. Gram is a unit of mass, not of force.Force is measured in newton. Gram is a unit of mass, not of force.Force is measured in newton. Gram is a unit of mass, not of force.Force is measured in newton. Gram is a unit of mass, not of force.


Volume is measured in what unit?

Nolume is measured in unit meter cubed, m3.


What is a long unit of measurement that can be used to measure great distances?

a Lightyear, around 1013 kilometres.


What unit is the middle ordinate measured in?

The measurement unit depends on the characteristic that is being measured.


What unit is energy measured in?

It is measured in Joules! :D


In which unit is volume measured?

Volume is measured in decibals.


What is area Weight unit?

Area is measured in square unit. Weight is measured in gram, kilogram etc.