UPSC CSE - GS
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Lesson 4 of 6 • 1 upvotes • 14:33mins
It all starts arround 4.5 billion years ago. A very ancient planet, very very hot and unstable. Here is the journey of Earth from Hadean Eon to Meghalaya Age. Our Earth's geological time scale
6 lessons • 1h 8m
Geography Optional Orientation Class
9:05mins
Orientation 2 Syllabus
5:59mins
Formation of Earth - Theories
12:53mins
Geological Time Scale
14:33mins
Composition of Earth
11:17mins
Rocks
15:00mins