The Astronomy Center has provided educational resources to introductory astronomy educators since 2003. Over the past 20 years, the rapid pace of discovery has rendered some of our linked resources obsolete. Thus, the Astronomy Center will be decommissioned on March 1, 2022. Our highest quality resources will be retained on ComPADRE.org.
An algebra-based overview of elementary and pre-telescope astronomy. Topics covered include sundials, seasons, calendars, precession, shape and rotation of Earth, Greek astronomy, the path to heliocentric theory and extensive sections on Kepler's laws. It also has sections on the Moon and how its distance was found. Many historical details, stories, and applications are included. This is part of a wider site "From Stargazers to Starships" which has related lesson plans, glossary, timeline, problems, and Spanish and French translations.
%0 Electronic Source %A Stern, David %T Astronomy of the Earth's Motion in Space %V 2022 %N 8 December 2022 %9 text/html %U http://www.phy6.org/stargaze/Sastron.htm
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