Last Update: 20 January 2009
material is highlighted
"Earth reaches perihelion in early January each year, and passes through its
point near the start of July. ... Earth is about 3% further from the Sun at
than it is at perihelion."
"Perihelion and Aphelion"
Windows to the Universe
[NB: "The passage is a modified version of the information found at" this website! (Duncan 2008: 3,n.5).]
Duncan, Bill (2008),
"A SNePS Representation for Computationally Determining the Meaning of "Aphelion Point" from Context"
Copyright © 2009 by
William J. Rapaport