The Sky Part 1: Local Sky and Alt-Az / Horizon Coordinates
![](https://i.ytimg.com/vi/V97HQcbozeQ/mqdefault.jpg)
1:44
The Sky Part 2: Explaining Alt Az
![](https://i.ytimg.com/vi/6qg7bubPR6s/mqdefault.jpg)
9:23
Astro Tutorial #1.4 (old version): Coordinate Systems of the night sky - ALT/AZ vs RA/DEC
![](https://i.ytimg.com/vi/OR8EQ0DWpPw/mqdefault.jpg)
10:51
Intro to Solar Orientation [Solar Schoolhouse]
![](https://i.ytimg.com/vi/3SFI3N4SAZI/mqdefault.jpg)
14:00
Neil deGrasse Tyson's Guide to Skywatching
![](https://i.ytimg.com/vi/WvXTUcYVXzI/mqdefault.jpg)
3:47
Equatorial Coordinate System Explained: How Astronomers Navigate the Celestial Sphere
![](https://i.ytimg.com/vi/zpdJb9FLHY0/mqdefault.jpg)
27:38
Neden Deprem Oluyor?
![](https://i.ytimg.com/vi/8GhKoyWY6fY/mqdefault.jpg)
12:52
Evrenin Akılalmaz Büyüklüğü!
![](https://i.ytimg.com/vi/S0R8M7CQbVA/mqdefault.jpg)
5:03