Wednesday, November 10, 2010

#56 Distance between sun and earth



Aphelion -- the point on its orbit when the Earth is farthest from the sun
The distance is 1.02 AU*.

Perihelion -- the point on its orbit when the Earth is closest to the sun
The distance is 0.98 AU*.

*: 1 AU, the average distance from the Earth to the Sun, equals 93 million miles or 150 million kilometers.)

Info source: http://science.nasa.gov/headlines/y2001/ast04jan_1.htm

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