A workshop given at the 1998 meeting of the West
Virginia Science Teachers Association

Ron Maddalena and Sue Ann Heatherly (NRAO)

The following are the lesson plan and handouts for the workshop. You can download the complete package as a 777 KByte ZIP file by clicking here.

- Lesson Plan
- Graph paper for sketching optical spectra using glow tubes and diffraction gratings
- Doppler Shift Illustration
- Galaxy Images and Spectra
- How to find the distance to a galaxy
- Calculating the mass of a galaxy
- For the mathematically oriented students:
- How to find the size of a galaxy
- How to find the rotational velocity of a galaxy
- Example calculation for A012113
- Correction factor if galaxy is not completely edge on

- How to find the amount of gas in a galaxy
- How to find the temperature of the gas in a galaxy