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ARCHAEOASTRONOMY AT CHACO CANYON. The Rise of Chaco Canyon Great Houses Chaco Canyon contains over a dozen Great Houses located along a 9-mile stretch.
Sunset Sundial from Scratch Roger Bailey NASS, Aug 2008 St Louis, Missouri.
History of Computers. Counting Man started off by counting on his digits Needed ways to measure months and seasons in order to perform festivals and ceremonies.
Weather Review. Wind is due to a.pressure differences in the atmosphere b.the greenhouse effect c.Earths rotation d.storms that push air in front of them.
200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Earth-Sun-Moon Seasons Solar System Stars Laws and.
Nearby Constellations. (2-D “Constellations”, from Stars in 3-D !)
The Sun-Earth-Moon System 28.3. Ecliptic – the plane in which Earth orbits the sun 2 ways to demonstrate the Earth’s rotation A pendulum The fact.
Revolution Rotation Declination (Tilt of Earth’s Axis) Seasons Time Zones Insolation and its variation Sunrise over the Earth. Source: .
Why the Earth has seasons Earth revolves in elliptical path around sun every 365 days. Earth rotates counterclockwise or eastward every 24 hours.
YUKON OPEN LOOP GEOEXCHANGE CASE STUDY Na-Cho Nyak Dun First Nation Government House Presented by: Katherine Johnston, EIT EBA Engineering Consultants.
Chapter 3 The Science of Astronomy Everyday Science Scientific Thinking is a fundamental part of human nature. Scientists apply the scientific method.
