Astronomical Units (AU)

 

One AU is the mean distance from the Earth to the Sun, 1.49597870e11 m, or a little over 8 light minutes. Pluto is currently at distance of about 30 AU. The heliopause, or edge of the solar system is thought to be about 90 AU from the sun.

 

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Created/Last Modified: April 1997 by Justin H. Carter , (jhcarter@mail.utexas.edu)