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Light years are very long, 5 874 589 924 200 miles, so are used when considering very large distances. These are almost invariably astronomical, so we'd use them to measure how far away a star or a galaxy were.

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10y ago

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Related Questions

How would you measure the speed of light?

Light years


If you are four years away from a place would you be 4 light years away?

No, 'years' is a measure of time and 'light years' is a measure of distance.


What unit would you use to measure the distances from stars?

To measure the distance of stars you have to measure by light years.


What are examples in which it would be appropriate to use light years as a unit of measure?

Light years are typically used to measure vast astronomical distances, such as the distance between stars or galaxies. For instance, the nearest star system, Alpha Centauri, is about 4.37 light years away from Earth. Additionally, light years can be used to express the distances to celestial objects like nebulae or quasars, helping astronomers convey the immense scales of the universe in a comprehensible way.


Can you measure the earths distance from the sun in light years?

it would have to be fractional the sun is not far enough


What unit of distance would you use to measure the distance between two stars?

Light Years.


What do light years measure in astronomy?

Light years measure distance in astronomy. It is the distance that light travels in one year, which is about 9.46 trillion kilometers.


Would it be inappropriate to measure the distance from Pluto to Earth in light-years?

Light years aren't the best, since it is only about 0.000624 light years away. Saying that the distance is 39 AU would be better. On the other hand, it's a much better unit than saying the distance is 3,229,510,630,000 fathoms.


What is 123.23 light years in earth years?

If you are asking how long it would take to travel the distance of 123.23 light years, then that would depend on how fast you are traveling. Because a light year is a measure of distance not time.


What does 6300 light years equal to in earth years?

A light year is a measure of distance not time. A light year is the distance light travels in one year. So for light to travel 6,300 light years, would take 6,300 years


How many years are in twenty light years?

Zero. Light years are a measure of distance, not time.


Convert 70000 light years to earth calendar year?

Light years is a measure of distance, not of time; it is the distance that light travels in one year.