Curated OER
What is Retrograde Motion
In this retrograde motion worksheet, students draw a diagram of the night sky by connecting dots to show retrograde motion. They compare retrograde motion to an optical illusion and answer questions about both.
Curated OER
Planets Curriculum
Students complete an in-depth study of the known planets in the solar system. As a class, students identify the planets that are known in the universe, in the night sky. They explain the differences between planets and stars and the...
Harvard University
Harvard University: The Solar System
These hands-on activities are a great way for students to gain perspective on the relative sizes and distances of each planet, the relationship between the sun and Earth, and much more.
Other
Geo 154 Astronomy : Retrograde Motion
A detailed explanation of retrograde motion with three different explanations and movies to accompany them. Additional links are available for more research.