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The Reasons for Seasons 2010
Day Night Cycle
Rotation vs. Revolution ,[object Object],[object Object],[object Object],[object Object]
Rotation versus Revolution
The Constellations on the Ecliptic ,[object Object],[object Object],[object Object]
 
Tilt of the Earth’s Axis ,[object Object]
 
Obliquity of the Ecliptic
Obliquity of the Ecliptic June December
Tilt of the Earth’s Axis
Equinoxes and Solstices ,[object Object],[object Object],[object Object],[object Object]
Equinoxes and Solstices ,[object Object],[object Object],[object Object],[object Object]
Motion on the Ecliptic
 
Tropics
The Annual Path of the Sun ,[object Object],[object Object],[object Object],[object Object]
Earth on June 21
Standing on the North Pole
Midnight Sun
Standing on the Tropic of Cancer
The Annual Path of the Sun ,[object Object],[object Object],[object Object],[object Object]
Standing on the Equator
The Annual Path of the Sun ,[object Object],[object Object],[object Object],[object Object]
Earth on December 21
The Annual Path of the Sun ,[object Object],[object Object],[object Object],[object Object]
Seasons Misconception ,[object Object],[object Object],[object Object],[object Object]
Seasons Misconception ,[object Object]
Orbit of the Earth
 
The Seasons
The Seasons ,[object Object],[object Object],[object Object]
The Seasons ,[object Object],[object Object]
Solar Illumination
Earth on June 22
Earth on December 22
The Length of the Day ,[object Object],[object Object],[object Object],[object Object]
The Length of the Day ,[object Object],[object Object],[object Object],[object Object]
Sidereal Time
Sidereal Time
A.M. and P.M. ,[object Object],[object Object],[object Object],[object Object]
Apparent Solar Time ,[object Object],[object Object],[object Object],[object Object],[object Object]
Day Night Cycle
Apparent Solar Time ,[object Object],[object Object],[object Object],[object Object]
Sidereal Time
Mean Solar Time ,[object Object],[object Object],[object Object],[object Object]
Mean Solar Time ,[object Object],[object Object],[object Object],[object Object]
Sundial
Apparent Solar Time ,[object Object],[object Object],[object Object]
Analemma
Analemma
Time Zones ,[object Object],[object Object],[object Object],[object Object],[object Object]
Time Zones ,[object Object],[object Object],[object Object]
Time Zones ,[object Object],[object Object],[object Object],[object Object]
International Date Line ,[object Object],[object Object],[object Object],[object Object]
Time Zones
Daylight Saving Time ,[object Object],[object Object],[object Object],[object Object],[object Object]
Precession ,[object Object],[object Object],[object Object],[object Object]
Precession of the` Earth’s Axis
Precession ,[object Object],[object Object],[object Object],[object Object],[object Object]
Tilt of the Earth’s Axis
Length of a Year ,[object Object],[object Object],[object Object],[object Object]

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The Seasons

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  1. Copyright 2005 by the Rector and Visitors of the University of Virginia