Since the Earth rotates around the sun in an ellipse, it is not always at exactly the same distance from the sun. The average distance from the earth to the sun is 92 million miles.
Source(s):
http://www.newton.dep.anl.gov/newton/askasci/1995/astron/AST045.HTM

Permalink | Report

It depends on what day you ask!

Distance from Earth to Sun
January 3: 147,166,462 km
July 4: 152,171,522 km

The average distance is 149,597,870.691 km.
Source(s):
How do we know these precise distances?
http://www.astro-tom.com/getting_started/earth-sun_distance.htm

Equinoxes, Solstices, Perihelion, and Aphelion, 2000-2020
http://aa.usno.navy.mil/data/docs/EarthSeasons.php

http://geography.about.com/od/physicalgeography/a/orbitsun.htm

Milankovitch Cycles: Changes in Earth-Sun Interaction
http://geography.about.com/od/learnabouttheearth/a/milankovitch.htm

Perihelion & Aphelion 2002-2020
http://www.observingstars.com/perihelion_aphelion.htm

Definitive resource: Planetary and Lunar Coordinates
http://www.hmnao.com/nao/publicat/plc.html

Permalink | Report