Welcome to the GEAS project web site for astronomy laboratory exercises. You will find here all of the materials necessary to begin each exercise, including PDF documents outlining the exercises and HTML links to relevant web sites and web applications.

Your laboratory exercise reports will be submtted online, starting with templates available from the Google Documents web site.

1. Fundamentals of Measurement and Error Analysis
   • Web application #1 (plotting tool)

2. Cratering and the Lunar Surface
   • Video tutorial
   • PDF laboratory exercise
   • Web application #1 (plotting tool)
   • Apollo 12 and 16 landing site images
   • Web application #2 (D versus v modeling tool)
   • Web application #3 (Earth Impact Effects program, courtesy IARC)
   • GoogleDoc report template
   • PDF instructor supplement

3. Geology of the Terrestrial Planets
   • Web application #1 (Martian craters)

4. Parallax Measurements and Determining Distances
   • Video tutorial
   • PDF laboratory exercise
   • Web application #1 (plotting tool)
   • GoogleDoc report template
   • PDF instructor supplement

5. Observing the Night Sky

6. The Hertzsprung-Russell Diagram and Stellar Evolution
   • Video tutorial
   • PDF laboratory exercise
   • Web application #1 (H-R diagram, courtesy NAAP)
   • Web application #2 (M67 cluster)
   • GoogleDoc report template
   • PDF instructor supplement

7. Hubble's Law and the Expansion of the Universe
   • Web application #1 (Galaxy distances I)
   • Web application #2 (Galaxy distances II)

8. Galaxy Morphology and Evolution

In case you have not upgraded to Flash version 10, we also provide Flash version 09-compatible web-applications for the Martian craters, H-R diagram, galaxy distances I, and galaxy distances II web applications.