10. Kepler and his Laws 10a-1. Kepler's 3rd law (Optional) 10a. The Scale of the Solar System 11. Graphs and Ellipses 11a. Ellipses and Kepler's First Law 11b. Alien Planets 12. Kepler's Second Law 12a. More on Kepler's Second Law 12b. How Orbital Motion is Calculated

Optional: The 2004 Transit of Venus 12c. Introduction to the calculation 12d. The displacement D of the track of Venus 12e. Deriving the Astronomical Unit

Optional: Spaceflight to Mars 21b. Flight to Mars: How Long? Along what Path? 21c. Flight to Mars: Calculations 21d. Flight to Mars: the Return Trip

22. Frames of Reference: The Basics 22a The Aberration of Starlight 22b The Theory of Relativity 22c Airplane Flight 22d Airplane Flight: How high? How fast? (optional) 23. Accelerated Frames of Reference: Inertial Forces 23a Frames of Reference: The Centrifugal Force 23b Loop-the-Loop (optional) 24a. The Rotating Earth 24b. Rotating Frames of Reference in Space and on Earth

The Sun--Introduction

How the Sun produces weather and climate S-1. Sunlight and the Earth S-1A. Weather and the Atmosphere S-1B. Global Climate, Global Wind flow

S-2. Our View of the Sun S-3. The Magnetic Sun S-3A. Interplanetary Magnetic Field Lines S-4. The Many Colors of Sunlight S-4A. Experimenting with Colors Optional: The Doppler Effect

Q-1. Quantum Physics Q-2. The Atomic Structure of Matter Q-3. Atomic Energy Levels Q-4. Planck's Constant: Radiation from Hot Objects Q-5. The Atomic Nucleus and Bohr's Early Model of the Atom Q-6. Expansion of the Bohr Model Q-7. Wave Mechanics Q-8. Quantum Tunneling

S-6. Seeing the Sun in a New Light S-7. The Energy of the Sun

Peripheral Subjects related to section S-7 above:

Afterword: "Do Frogs Exist there Too ?"

(M-1) Basic ideas (M-1A) Algebra Proficiency Drill (M-2) How it all started (M-3) Formulas (M-4) Identities (M-5) Deriving Approximate Results (M-6) The Theorem of Pythagoras (M-6a) Beyond Pythagoras (optional)

(M-6) The Theorem of Pythagoras (M-6a) Beyond Pythagoras (optional)

(M-7) What is it good for? (M-8) How to tell sines from cosines (M-9) Deriving sines and cosines (M-10) Going past 90 degrees (M-11) Deriving sin(α+β), cos(α+β). (M-11A) Trigonometry Proficiency Drill (M-12) The Tangent

(M-13) Logarithms -- Introduction (M-14) Powers of Numbers (M-15) Raising one Power to Another (M-16) Deriving Approximate Logarithms And for the adventurous: (M-17) The number "e" (M-18) Natural Logarithms --and more accurate Approximate Logs

Author and Curator: Dr. David P. Stern Greenbelt, Maryland Mail to Dr.Stern: stargaze("at" symbol)phy6.org .

Last updated: 9 October 2007