Videos
Arya Where Are You?
274
The Grid on the Earth
201
The Naming
294
Minutes and Seconds
78
Summary
60
Why the Unit Degrees?
153
Important Latitudes
188
Summary
22
Local Time
530
Standard Time
561
Summary
48
International Date Line
446
Why IDL is Not a Straight Line?
64
Great Circles
271
Summary
44
How Do You Spin?
91
Direction and Speed of Rotation
280
Effects of Rotation
234
Summary
42
Revolution of The Earth
194
Tilt of The Axis
190
Summary
43
What Shape Is That?
155
Erastosthenes: You Did It?
207
Earth Is Oblate Sphere
100
Earth- Our Home
477
Summary
60
Seasons
436
Important Parallels
388
Summary
73