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Lessons
5 lessons • 1h 5m
The solar system part 1 Question 1-54
13m 07s
The solar system part 2 Question 55-97
12m 28s
Sun, star and rotation of earth Question 98-152
14m 47s
Revolution, Lattitude and Longitude Question 153-183
11m 55s
The circle of Illumination, local time, Standard Time Question 184-209
12m 50s