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Revolution of the Earth about the Sun: an explanation for many astronomical phenomena

Revolution of the Earth about the Sun: an explanation for many astronomical phenomena. The seasonal changes in the night sky… The difference between sidereal and solar time. Why the solar day varies, Part 1…variable angle between celestial equator and ecliptic.

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Revolution of the Earth about the Sun: an explanation for many astronomical phenomena

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  1. Revolution of the Earth about the Sun: an explanation for many astronomical phenomena The seasonal changes in the night sky… The difference between sidereal and solar time

  2. Why the solar day varies, Part 1…variable angle between celestial equator and ecliptic

  3. Why the solar day varies, part 2…the ellipticity of the Earth’s orbit + Kepler’s 2nd Law

  4. The Equation of Time

  5. Orbits in the Solar System

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