Sustaining Our Connection to the Natural World through Observing the Sky: Astronomy
Saturday, March 19, 2011

Story, "The Seven Macaw" –- told by Isabel Hawkins

The Shadow of a Gnomon

Drawing the path of the sun on a sphere and using a flashlight to see the shadow cast by a gnomon at different times of the year.

The Equinox Solar Alignment of El Castillo Pyramid at Chichen Itza

Connections to the Alignments at Heron's Head Park, and Use of Solar Energy

Solar Motion Demonstrator

http://lawrencehallofscience.org/pass/passv12/PASSv12SolarMotionDemo.pdf

The Ecliptic and then Celestial Equator

Modeling the Seasons

http://www.exploratorium.edu/ancientobs/chaco/HTML/TG-seasons.html

Seasons and Shadows

http://www.exploratorium.edu/ancientobs/chaco/HTML/TG-shadows.html

Building a Solar Calendar

Visit possible solar calendar site, identify Cardinal Directions.

Where's North?

http://www.exo.net/~pauld/summer_institute/summer_day16magnetism/Where's_North.html

Finding Your Magnetic Declination

http://www.ngdc.noaa.gov/geomagmodels/Declination.jsp

Resources

The Exploratorium's Ancient Observatories Website

http://www.exploratorium.edu/ancientobs/

NASA's Ancient Observatories Website

http://sunearthday.nasa.gov/2005/locations/chichen_itza.htm

Literature Connections for Seasons

http://www.lhsgems.org/RealSeasonsConx.html

Finding Altitude And Azimuth Of the Sun

http://www.usno.navy.mil/USNO/astronomical-applications/data-services/alt-az-us

Cesar Chavez Memorial Calendar in Berkeley

http://www.solarcalendar.org/