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Lab two 2011

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Earth and Sun Relationships and Topographic Maps Lab Two
The first days of the seasons are solstices and equinoxes. These are key periods within Earth-Sun Relationships.
Subsolar Point ,[object Object],[object Object]
Equinox and Solstice Conditions ,[object Object],[object Object],[object Object],[object Object]
Analemma WHAT IS AN ANALEMMA? An analemma is a natural pattern traced out annually in the sky by the Sun.
Analema ,[object Object],[object Object]
[object Object],http://en.wikipedia.org/wiki/Analema
Using the Analemma ,[object Object],[object Object],[object Object]
Using the Analemma ,[object Object],[object Object],[object Object],[object Object]
Using the Analemma ,[object Object]
Using the Analemma to Calculate the Sun’s Declination or Angle of Incidence ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Done at 8:30 AM Eastern Time
http://vrum.chat.ru/Photo/Astro/analema.htm It shows position of the Sun on the sky in the same time of a day during one year. Analemma - a trace of the annual movement of the Sun on the sky - is well known among experts of sun-dials and old Earth's globes as a diagram of change of seasons and an equation of time. Between August 30th 1998 and August 19th 1999 I have photographed the Sun 36 times on a single frame of 60-mm film. The pictures were taken exactly at 5:45 UT (Universal time) of every tenth day.
Topographic Maps ,[object Object],[object Object],[object Object],[object Object]
Computing Distances with Fractional Scales ,[object Object],[object Object],[object Object],[object Object]
Measuring Road Distance ,[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object]
[object Object],[object Object]
[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object]
[object Object],[object Object]

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Lab two 2011

  • 1. Earth and Sun Relationships and Topographic Maps Lab Two
  • 2. The first days of the seasons are solstices and equinoxes. These are key periods within Earth-Sun Relationships.
  • 3.
  • 4.
  • 5. Analemma WHAT IS AN ANALEMMA? An analemma is a natural pattern traced out annually in the sky by the Sun.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 12.
  • 13.
  • 14. Done at 8:30 AM Eastern Time
  • 15. http://vrum.chat.ru/Photo/Astro/analema.htm It shows position of the Sun on the sky in the same time of a day during one year. Analemma - a trace of the annual movement of the Sun on the sky - is well known among experts of sun-dials and old Earth's globes as a diagram of change of seasons and an equation of time. Between August 30th 1998 and August 19th 1999 I have photographed the Sun 36 times on a single frame of 60-mm film. The pictures were taken exactly at 5:45 UT (Universal time) of every tenth day.
  • 16.
  • 17.
  • 18.
  • 19.
  • 20.
  • 21.
  • 22.
  • 23.