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Sep 2007
42m 34s

Lecture 08: The Phases of the Moon

Richard Pogge
About this episode
What are the Phases of the Moon? This lecture introduces the Moon and describes the monthly cycle of phases. Topics include synchronous rotation, apogee and perigee, the cycle of phases, and the sidereal and synodic month. Recorded 2007 Sep 28 in 1000 McPherson Lab on the Columbus campus of The Ohio State University. 
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Oct 2007
Lecture 09: Eclipses of the Sun and Moon
Among the most amazing sights in the sky, eclipses of the Sun and Moon have long fascinated us. This lecture describes the eclipses of the Sun and Moon, their types, and how often they occur. Recorded 2007 Oct 1 in 1000 McPherson Lab on the Columbus campus of The Ohio State Unive ... Show More
40m 23s
Oct 2007
Lecture 10: Telling Time
What time is it? Telling time is the oldest practical application of astronomy. Today's lecture is the first of a 2-part lecture on the astronomical origins of our methods of keeping time and making calendars. This lecture reviews the divisions of the year into the solstices, equ ... Show More
41m 19s
Oct 2007
Lecture 11: The Calendar
How do we make calendars? This lecture explores the astronomical origins of our calendars. We start by discussing lunar and solar calendars and their hybrids in history and tradition (for example, the Islamic Lunar Calendar and the Hebrew Luni-Solar Calendar), and then describe t ... Show More
40m 16s
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