Astronomy Study Question - Planet Classification System

Please reply to the prompt given and follow the instructions.

Study Question Title: Classification of the Planets
Lesson 6 - Chapter 7 In Quest of the Universe

Objective:
Organize the planets using size, mass, density, satellites, rings, and atmospheres.

Directions:
Follow the instructions for the assignment and turn in your response to the instructor as directed.
Cite using MLA any online references or local sources (newspaper, online journal, reference book, etc.) you have used in your research and your response.

Study Question Instructions:
Use information from the textbook and the internet to research the classification of the planets.

Devise a classification system for the planets that you consider to be the most useful to young astronomers. Explain the rationale behind your classification.