Lectures (Video)
- 1. Introduction
- 2. Planetary Orbits
- 3. Our Solar System and the Pluto Problem
- 4. Discovering Exoplanets: Hot Jupiters
- 5. Planetary Transits
- 6. Microlensing, Astrometry and Other Methods
- 7. Direct Imaging of Exoplanets
- 8. Introduction to Black Holes
- 9. Special and General Relativity
- 10. Tests of Relativity
- 11. Special and General Relativity (cont)
- 12. Stellar Mass Black Holes
- 13. Stellar Mass Black Holes (cont)
- 14. Pulsars
- 15. Supermassive Black Holes
- 16. Hubble's Law and the Big Bang
- 17. Hubble's Law and the Big Bang II
- 18. Hubble's Law and the Big Bang III
- 19. Omega and the End of the Universe
- 20. Dark Matter
- 21. Dark Energy and the Accelerating Universe and the Big Rip
- 22. Supernovae
- 23. Other Constraints: The Cosmic Microwave Background
- 24. The Multiverse and Theories of Everything
Frontiers and Controversies in Astrophysics - Lecture 6
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Lecture 6 - Microlensing, Astrometry and Other Methods
The class begins with a discussion on transits – important astronomical events that help astronomers to find new planets. The event occurs when a celestial body moves across the face of the star it revolves around and blocks some of its light. By calculating the amount of light that is being obscured astronomers can obtain important information about both star and planet, such as size, density, radial velocity and more. The concept of planetary migration is explained in order to better understand the dramatic differences between bodies in the Inner and Outer Solar System. Finally, potential problems in the Solar System that may occur as a result of migration are addressed.
Prof. Charles Bailyn
ASTR 160 - Frontiers and Controversies in Astrophysics, Spring 2007 (Yale University: Open Yale) http://oyc.yale.edu Date accessed: 2009-05-12 License: Creative Commons BY-NC-SA |
Lecture Material
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Supplementary lecture material is listed below.1. Problem Set 2 (PDF file)
2. Problem Set 2 Solutions (PDF file)
