17:18
Welcome to Introductory Astronomy with Jason Kendall
14:12
Understanding the Night Sky: Constellations and Asterisms
15:54
Exploring the Equatorial Coordinate System and Celestial Sphere
14:16
Exploring the Celestial Sphere with SkySafari and Stellarium
18:06
Understanding the Sun’s Motion and the Reason for Seasons
3:57
Solar Positions Over a Year and the Solar Analemma
26:58
Why We See Only One Side of the Moon and Understanding Lunar Phases
10:38
Understanding Lunar Eclipses: Types and Phases
14:38
Understanding the Types of Solar Eclipses
13:13
Experiencing the Total Solar Eclipse on August 21, 2017
30:20
Solar Eclipses: What Are They and Why Do They Happen?
13:43
Understanding Planetary Motions and Retrograde Motion