26.2 The Sun and Seasons

The Sun (1 of 3)

How the Sun rotates and generates much activity at its surface, such as solar flares and coronal mass ejections,  are explored. Duration: 6:38.

The Sun (2 of 3)

The Sun's internal structure is explored including its core, radiation zone, and convection zone. Duration: 4:36.

The Sun (3 of 3)

Solar surface activity is explained based upon the Sun's internal structure. Duration: 7:45.


Why are there seasons? It has nothing to do with Earth's varying distance from the Sun and everything to do with Earth's tilted axis of rotation, which impacts the intensity of light reaching the surface. Duration: 7:21.