15
The Lunar Crescent and the Islamic Calendar
Lecture no. 15 from the course: The Remarkable Science of Ancient Astronomy
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Taught by Professor Bradley E. Schaefer | 29 min | Categories: Science
Delve into the surprisingly tricky problem of deciding when a lunar month begins-usually determined by the first sighting of a crescent Moon after new Moon. Professor Schaefer describes his algorithm for calculating this event and then applies it to dating the crucifixion of Jesus....
24 Lectures
1
Stonehenge and Archaeoastronomy
0
of 31 min
2
The Real Stonehenge
0
of 30 min
3
Alignments at Maes Howe and Newgrange
0
of 29 min
4
Astronomy of Egypt's Great Pyramid
0
of 29 min
5
Chaco Canyon and Anasazi Astronomy
0
of 28 min
6
Ancient Cosmologies and Worldviews
0
of 29 min
7
Meteorite Worship and Start of the Iron Age
0
of 30 min
8
Eclipses, Comets, and Omens
0
of 29 min
9
The Star of Bethlehem
0
of 29 min
10
Origins of Western Constellations
0
of 32 min
11
Chinese and Other Non-Western Constellations
0
of 30 min
12
Origins and Influence of Astrology
0
of 31 min
13
Tracking Planet Positions and Conjunctions
0
of 31 min
14
Ancient Timekeeping and Calendars
0
of 31 min
15
The Lunar Crescent and the Islamic Calendar
0
of 29 min
16
Ancient Navigation: Polynesian to Viking
0
of 29 min
17
Breakthroughs of Early Greek Astronomy
0
of 31 min
18
The Genius of Hipparchus
0
of 31 min
19
Revealing the Antikythera Mechanism
0
of 29 min
20
How the Antikythera Mechanism Worked
0
of 28 min
21
Achievements and Legacy of Ptolemy
0
of 30 min
22
Star Catalogs from around the World
0
of 30 min
23
How Ancient Astronomy Ended
0
of 30 min
24
Ancient Astronomy and Modern Astrophysics
0
of 32 min
