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The parsec is 3.26 light years. Astronomers measure distances to remote galaxies in megaparsecs--millions of parsecs. This is about the longest commonly used length metric.

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15y ago

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Related Questions

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

a Lightyear, around 1013 kilometres.


What unit do you use to measure long distances?

Usually Miles or Kilometers


What unit is used to measure distances on land?

It depends on what you are trying to measure. Long distances usually are measured in miles. Survey distances usually are measured in feet.


What unit would you use to measure the distances from?

you would measure distances in centimetres, metres and kilo metres.


Why did the Au is not used to measure distances on earth?

AU is not used to measure the distances on earth, because a astronomical unit is a unit of measurement equal to the distance between Earth and Sun. So that's why you cannot use Au for measure the distances on Earth.


What is equal to 150 million km and is used to measure long distances?

The astronomical unit (AU) is equal to about 150 million kilometers and is commonly used to measure long distances within our solar system. It is the average distance between the Earth and the Sun and provides a convenient scale for discussing distances on an interplanetary scale.


Can a second be used to measure distance?

No, a second is a unit of time, not a unit of distance. It is used to measure time intervals, not distances. Distances are typically measured in units such as meters, kilometers, or miles.


What is the unit of measure you would use for measuring long distances?

For long distances use " Measuring Wheel". These give readings generally in Feet which can be converted to any unit by appropriate multiplication factors. Some of these are 1-GRIP ON 10000 ft measuring wheel, 2-Stanley 77 194 MW408 12" Aluminum Wheel Measuring Wheel In Feet/Inches


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 unit do we use to measure really big distances?

metres, kilometres .................................


The unit to measure distances between stars is in?

Light years or parsecs


What unit would you use to measure large distances?

Miles or Kilometers