1. Physics 202: Introduction to Astronomy – Lecture 16 Carsten Denker Physics Department Center for Solar–Terrestrial Research

2. April 5, 2006Center for Solar-Terrestrial Research Interstellar Medium  Atomic and molecular hydrogen and helium  Dust grains  Preferential absorption of short-wavelength radiation  reddening  Emission nebulae and dust lanes  21-centimeter radiation  Dark molecular clouds  Star formation  Evolutionary track  Protostar  T-Tauri phase  Zero-age main sequence  Brown dwarfs  Star cluster  Open cluster  Globular cluster  Association

3. April 5, 2006Center for Solar-Terrestrial Research Interstellar Matter

4. April 5, 2006Center for Solar-Terrestrial Research Interstellar Clouds

5. April 5, 2006Center for Solar-Terrestrial Research Nebular Properties

6. April 5, 2006Center for Solar-Terrestrial Research Stellar Evolution  Interstellar Cloud  Contracting Cloud Fragment  Protostar  Protostellar Evolution  Newborn Star

7. April 5, 2006Center for Solar-Terrestrial Research

8. April 5, 2006Center for Solar-Terrestrial Research Star Clusters