This resource is chapter ten in a ten chapter series about Space and the Solar System.The chapters cover a variety of concepts all broken down into simple to understand sections. The sections include unit vocabulary, definitions, diagrams, examples, and videos. These are great resources as reference documents, homework, or classwork readings.The other chapters include:Chapter 1: It is all about DistanceChapter 2: Gravity CalculationsChapter 3: Earth's MoonChapter 4: How the Moon FormedChapter 5: