Motion of the Earth and Sky
11:16
Star Magnitude (Brightness) Explained
24:52
How to Find the Planets in the Night Sky
26:55
Vega: Brightest Star in the Lyra the Harp
5:39
Seasons
21:37
How Earth Moves
15:38
How to Find Orion the Hunter Constellation
4:23
The Sun’s surprising movement across the sky - Gordon Williamson
15:47