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Astronomical Units (AU) are most useful in describing the distance from a planet to its sun. For just about any other purpose they're either too long (distances on a planet's surface) or too short (distances between stars) to be of much practical use.

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13y ago
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12y ago

All that I know is that Au is gold, AND AU (capitals) is ASTRONOMICAL UNITS. AU is used for SPACE and means 1 AU is the distance between Earth and the Sun. That is around 149.6-150 MILLION KM. To measure the size of a galaxy, I recommend 'light years'.

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Q: When do you use Au for measurement?
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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 the most useful unit of measurement for distances in space?

au


What is the name of a measurement beginning with A?

* An AU - astronomical unit. * An Acre. * An Ampere.


Why use kilometers as a unit of measurement for distances around the inner planets?

The next largest unit of measurement that is commonly used would be Astronomical Units(AU) which is the distance from the earth to the sun. All of the inner planets are less than 1 AU from the sun and people like to avoid fractions. They use kilometers instead because people have some sense of how far a kilometer is.


When do you use Au the word for in in french?

You use 'au' to say 'to the' or 'at the' before a masculine word.


How far is earth from the sun what would be the best unit of measurement to answer this question?

1000000000 billion miles-au


What is the meaning of astronomical unite?

If you mean, "astronomical unit," then it is a measurement of distance. One AU is the distance from the Sun to the Earth. So for example, the Earth is 1 AU from the sun, and Pluto is about 70.


What do scientists use to measure distances in space?

They use lightyears and AU (Astronomical Units). They use kilometers, AU's and light years!! *Parsecs are also commonly used


Use measurement in a sentence?

The measurement of my Dad is 6 foot.


What units do scientist use to measure distances in space?

They use lightyears and AU (Astronomical Units). They use kilometers, AU's and light years!! *Parsecs are also commonly used


Differences between measurement used in past and measurement in present?

it is difficult to use the measurement in the past than in the measurement in present....


How much is 2.0E -4 AU?

2 OE is (Observed Explosion) and -4 would have to be the distance inside the Earth because AU is the measurement distance from outside to outside. Not inside to inside. It could also mean (Obvious Extinction)