ANSWER: An AU is the astronimical distance from the Earth to the sun. Roughly 93 million miles. It stands for Astronimical Unit. A distance that is used for solar distances.
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1 AU is approximately 149,597,870km
An AU (Astronomical Unit) is the mean distance between Earth and our Sun . . .149,597,871 kilometers.
AU is a measure of distance meaning astronomical unite. AU is the average distance from the sun to the earth (average because the earths orbit of the sun is not a perfect circle). 1 AU is equal to 149, 598, 000 kilometers. So 1.49 AU is 1.49 x 149,598,000= 222,901,020 kilometers.
For such questions in the future try Google. I'm a nice person and happened to save you the hassle. 1 Astronomical Unit = 92 955 887.6 miles
1 Astronomical Unit = 149,598,000 kilometers