Παράκαμψη προς το κυρίως περιεχόμενο

Resources

Geocentrism or Heliocentrism? Using Retrograde Motion to Support Models

This is a practical examination of the retrograde of motion of planets. The activity begins with students' understanding of Geocentric and Heliocentric models of the Universe (solar system), continues with an exercise of 'perspectives of observations, and progresses to allow students' to explain why Mars appears to move backward periodically.
Read More