Have you ever thought that what would have happened if the Earth was not tilted at 23.5°? What if the Earth was tilted at some other angle or there was no tilt at all?
00:00 Opening
00:19 Tropic of Cancer and Capricorn
00:24 Meaning of Tropics
00:31 Arctic Circle and Antarctic Circle
00:46 Solstices and Equinoxes
01:09 What if the Earth was not tilted? No tilt Scenario
02:38 Aphilion and Perihilion positions
03:04 What if the Earth was tilted at a different angle? Different tilt Scenario
