Unit 3 : Activity 3 : Inventory of the Solar System : Figuring Out Solar System Distances : Unit Exam

Unit 3: The Solar System

Picture from Earthsky.com

In the last unit, we saw how much of what we know today, and treat as common knowledge, about the solar system was discovered over centuries of painstaking observations. We will now look at how that knowledge helped fill in some of the important questions about the solar system.