The first pictures shows the location of the Sun over the course of a day. The second
picture shows the position of the Sun over the course of a year, taken at the same
time every day.
What appears to be moving in each picture?
How can you explain these observed data?
What is actually moving: the Earth or the Sun?
How do you know?
Countdown Timer
In responding, state your own name first, then give an opinion of your group.