Spectroscope builder

Teachers built a paper spectroscope. Compared spectra from white light, Krypton (Kr) Neon (Ne)
Light.  Red shift and blue shift phenomena also were studied.

PM
Skype video conference with Harvey Moseley on X- ray tools
Techniques and tools in X-ray 
Kepler airborne observatory
High flying balloons
Micro calorimeters  for X - ray spectroscopy for measuring energy.