By understanding the Doppler Effect, you will verify the observed fact that all galaxies are moving away from us, and you will use the Doppler shift formula to calculate how fast they are receding. You will prove for yourself that the nature of their motion means that the Universe is expanding and you will then use your data on the expansion to be able to calculate the age of the Universe itself.
Prerequisites: Read Chapter 20 of textbook.
Materials Required
Computer and internet access
Calculator
Pen/pencil
Digital camera or scanner