Equatorial Sundial

dc.contributor	Star Date	en
dc.contributor	Benningfield, Damond	en
dc.creator	University of Texas at Austin	en
dc.creator	Mcdonald Observatory	en
dc.date.accessioned	2014-06-25T20:14:03Z	en
dc.date.available	2014-06-25T20:14:03Z	en
dc.date.issued	0000-00-00	en
dc.description	Introduction: One of astronomy’s first tools to measure the flow of time, a sundial is simply a stick that casts a shadow on a face marked with units of time. As Earth spins, the shadow sweeps across the face. There are many types of sundials; an equatorial sundial is easy to make and teaches fundamental astronomical concepts. The face of the sundial represents the plane of Earth’s equator, and the stick represents Earth’s spin axis.	en
dc.description.department	McDonald Observatory	en
dc.identifier.uri	http://hdl.handle.net/2152/24834	en
dc.language.iso	eng	en
dc.publisher	McDonald Observatory	en
dc.subject	TEKS	en
dc.subject	Astronomy	en
dc.subject	Measure Time	en
dc.subject	Sundial	en
dc.subject	Lesson Plan	en
dc.subject	Grades 5-8	en
dc.subject	Science	en
dc.subject	outer space	en
dc.subject	Earth's spin axis	en
dc.title	Equatorial Sundial	en
dc.type	Learning object	en

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