These files are all in .pdf format and require Acrobat Reader to view.
Size and Scale
Motion of the Sky
Kepler's 2nd Law
Kepler's 3rd Law
Gravity
Luminosity of Stars-1
Luminosity of Stars-4
Luminosity of Stars-5
Doppler Shift-2
Doppler Shift-4
Magnitude-2
Magnitude-4
Stellar_Evolution-1
Stellar_Evolution-3