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