Chapters 3 & 4
Steven Hawking
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Updated 12.9.2009
Tuesday, December 8
- Questions on Chapters 1 & 2?
- Chapter 3: Light buckets
- Read chapters 3 & 4
- Basic telescope design
- Compare diameter of Human pupil to Keck telescope
- Refractors: Galilean and Keplerian (abberation and manufacturing limitations and sagging problems)
- Reflectors: Newtonian and Cassegrian
- Pass out and work on Visualizing Expansion project
Wednesday, December 9 – No school – Snow day
Thursday, December 10
- Telescope info. Link 1 | Keck | Wiki telescope page.
- Challenges with terrestrial telescopes (Earth's rotation, light pollution, convection currents, translucency of the atmosphere, limited observation time, weather)
- vonFraunhofer's discovery
- Huggins' light and chemical connections
- Discovery of Helium and connection of our Sun to other stars
- The Doppler Effect
Friday, December 11
Monday, December 14
- Visualizing Expansion due
- The big bang
- Binary stars
- Discovering extrasolar planets
- Einstein's gravity - space-time and the nature of gravity
Tuesday, December 14
- More on space-time
- Einstein's biggest blunder (Einstein wanted steady state but Lemaitre wanted Big Bang - the Cosmological Constant)
Wednesday, December 15
- The Primordial Soup
- Stars: Chemical gardens
Thursday, December 16
- Chapters 3 & 4 Quiz