Ch 26: Solar System: Components & Facts

About This Chapter

Before an important exam, build confidence in your knowledge of components of the solar system using this informative chapter. The lessons and quizzes here are mobile friendly, written by professional instructors and accessible to you to study at your own pace.

Solar System: Components & Facts - Chapter Summary

In this chapter, our instructors outline facts about the solar system and its components. You'll review the definition of a star and study the difference between a solar system and a galaxy. After finishing this chapter, you should be able to:

  • Outline the difference between a universe, galaxy and solar system
  • Provide an overview of the solar system
  • Give facts about stars
  • Explain why stars twinkle
  • Understand facts about the planets
  • Identify interactions in the Sun-Earth-Moon system
  • Understand the apparent motion of the planets and stars

Take your time as you review these lessons, and feel free to go back as much as needed to fully comprehend these concepts as you prepare for test day. The lesson quizzes and chapter test provide information about any areas that you might need to work on before you sit for the exam.

7 Lessons in Chapter 26: Solar System: Components & Facts
Test your knowledge with a 30-question chapter practice test
Solar System, Galaxy, & Universe: Definitions & Difference

1. Solar System, Galaxy, & Universe: Definitions & Difference

Want to learn what the universe, galaxy, and solar system are as well as some cool facts about each one? This lesson will give you an overview of what these three things are in a relatable fashion.

Solar System Overview

2. Solar System Overview

This lesson will go over the major aspects of our solar system, including the sun, planets, moons, asteroids, comets, meteors, meteorites, and meteoroids.

Stars: Definition & Facts

3. Stars: Definition & Facts

Before you name a star after someone, get the facts! Stars are a lot more than pretty lights up in the sky. Complete this lesson to learn more about nuclear fusion, main sequence stars, red giants, and more.

Why Do Stars Twinkle?

4. Why Do Stars Twinkle?

Do you know why stars twinkle? Do they twinkle at all or is it our imagination? Technically called scintillation, this lesson will teach you what twinkling is and why it happens.

What are Planets? - Facts & Definition

5. What are Planets? - Facts & Definition

In this lesson, you'll learn the official definition of a planet, how planets are formed, and about the two types of planets found in our solar system: terrestrial planets and gas giants.

Interactions in the Sun-Earth-Moon System

6. Interactions in the Sun-Earth-Moon System

Learn how the sun, earth, and moon interact with each other to create tides, phases, eclipses, seasons, solar winds, and precession. Take a quiz and see how much you've picked up.

The Apparent Motion of Stars & Planets

7. The Apparent Motion of Stars & Planets

After completing this lesson, you will be able to describe the apparent motion of the stars and planets in our sky: during each night and also across the months. A short quiz will follow.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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