[DOC] [TLE] What is an astronomical unit? | Space | EarthSky [PAR] Oct 21, 2016 ... Mean distance to Kuiper Belt, farthest spacecraft, Oort Cloud, in AU. Definition of astronomical unit. For general reference, we can say that one astronomical unit (AU) represents the mean distance between the Earth and our sun. An AU is approximately 93 million miles (150 million km). [DOC] [TLE] Astronomical unit - Wikipedia [PAR] The astronomical unit (symbol au, or ua) is a unit of length, roughly the distance 
from Earth to the Sun. However, that distance varies as Earth orbits the Sun, from 
a maximum (aphelion) to a minimum (perihelion) and back again once a year. 
Originally conceived as the average of Earth's aphelion and perihelion, it is .... 
This is because the distance between Earth and the Sun is not fixed (it varies... [DOC] [TLE] How Far is Earth from the Sun? - Space.com [PAR] Sep 17, 2012 ... The distance from Earth to the sun is called an astronomical unit, which is ... The 
AU is the average distance from the Earth to the sun. ... comes in early January 
and is about 91 million miles (146 million km). ... triangulated those 
measurements with the known distance between Paris and French Guiana. [DOC] [TLE] How far is each planet from Earth? - Curious About Astronomy? [PAR] Mar 31, 2016 ... Since the distances are so large, we usually express them in Astronomical Units (AU). (An AU is the average distance from Earth to the Sun, about 150 million kilometers or 93 million miles.) [DOC] [TLE] astronomical unit (AU, or au) | unit of measurement | Britannica.com [PAR] AU, or au a unit of length effectively equal to the average, or mean, distance 
between ... between orbits of Jupiter and Neptune), 750-4,490, possibly less than 
1 ... *One astronomical unit (AU) is the mean distance of Earth from the Sun, 
about 150 ... and has the value 1.49597870691  10 13 cm (about 93 million 
miles), with. [DOC] [TLE] Astronomical Unit (AU) [PAR] Astronomical Unit (AU) - A distance unit based on the average distance of the ... 
Astronomical Unit (AU) - A distance unit based on the average distance of the 
Earth from the Sun  93 million miles. ... Good for measuring between planets. ... 
Light Year (ly) - A unit of distance equal to the distance light travels in one year. [DOC] [TLE] Glossary: Astronomical Unit (AU) - Near-Earth Object Program - NASA [PAR] Feb 28, 2015 ... Definition: An Astronomical Unit is the mean distance between the Earth and ... 
the Sun and the Earth at 8 million kilometers (5 million miles). [DOC] [TLE] Astronomical Unit (AU) - Universe Today [PAR] Sep 18, 2009 ... In astronomy, an astronomical unit is defined as the average distance from the 
Sun to the Earth, or about 150 million kilometers (93 million... [DOC] [TLE] How Far Are The Planets From The Sun? - Universe Today [PAR] Jul 26, 2016 ... ... around the Sun. They orbit the star in ellipses, which means their distance to 
the sun v. ... Average: 150 million km / 93 million miles (1 AU)... [DOC] [TLE] Astronomical unit | Define Astronomical unit at Dictionary.com [PAR] Astronomical unit definition, a unit of length, equal to the mean distance of the 
earth from the sun: approximately 93 million miles (150 million km). ... That was 
one astronomical unit, equal to about ninety-three million miles, the distance ... a 
unit of distance used in astronomy equal to the mean distance between the earth 
and... [DOC] [TLE] Astronomical Units - Cool Cosmos [PAR] Astronomical Unit (A.U.) An astronomical unit (A.U.) is the average distance 
between the Earth and the Sun, which is about 93 million miles or 150 million... [DOC] [TLE] What is an Astronomical Unit? | Cool Cosmos [PAR] An Astronomical Unit (AU) is the average distance between Earth and the Sun,

Question: One astronomical unit is about 93 million miles, the average distance between Earth & this
Answer: the Sun