1. The Peaceful Sun…

2. The Peaceful Sun?!? (… as seen in Visible Light…) (…as seen in X-Rays!)

4. Is the Sun made of Gas?…Not Exactly…

5. Q: How to support the Sun against Gravitational Collapse? A: “Hydrostatic Equilibrium” between Pressure & Gravity!

6. Getting to know the Solar Interior… …with “Helioseismology” …and with various other methods… e.g., Neutrinos from Core (see below…)

7. Layers of the Sun:

10. During a Total Solar Eclipse… …we can see the Solar “Corona”!

11. “Sunspots” = Magnetic Storms on the surface of the Sun

12. A lack of Sunspots……led to the “Little Ice Age”! Twisted-up Magnetic Fields… …causes the “Solar Cycle”

13. Solar Violence… Prominences & Flares…

14. Aurora “Borealis” (Northern Lights) & “Australis” (Southern Lights)