The Perihelion Effect


The Equation of Time

Equation of time From Wikipedia, the free encyclopedia. Categories: Celestial mechanics | Timekeeping During the course of the year, the time as read from a sundial can run ahead of clock time by as much as 16 min 33 s (around October 31–November 1) or fall behind by as much as 14 min 6 s (around February 11–12). This difference, known as the equation of time, results from a combination …

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Earth at Perihelion

Earth at Perihelion On January 4, 2001, our planet made its annual closest approach to the Sun.Listen to this story (requires RealPlayer) January 4, 2001 — This morning at 5 o’clock Eastern Standard time (0900 UT) Earth made its annual closest approach to the Sun — an event astronomers call perihelion. Northerners shouldn’t expect any relief from the …

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