Ch 9: The Universe, Solar System & the Earth-Sun Relationship

About This Chapter

Use this informative chapter to study the solar system, the universe and the Earth-Sun relationship at your convenience. Our lessons make these topics approachable and easy to understand so you can easily study for an exam or catch up on missed class time.

The Universe, Solar System & the Earth-Sun Relationship - Chapter Summary

In this chapter, our experienced instructors guide you through key topics related to the universe, the Earth-Sun relationship and the solar system. Watch video lessons on the Big Bang theory, galaxy formation and the types of stars. Once you finish this chapter, you should be able to do the following:

  • Define a nebula and the theory associated with it
  • Discuss the formation of spiral, elliptical and irregular galaxies
  • Outline the types of stars by size, color and life cycle
  • Provide an overview of the solar system
  • Detail the effects of solar energy on Earth's temperature
  • Describe how the sun provides energy within the ecosystem
  • Identify the sun as a source of energy for the water cycle, currents and winds
  • Explain interactions in the Sun-Earth-Moon system

Our learning materials are available any time you'd like to study, on any tablet, mobile phone or computer. As a handy test prep tool, take the lesson quizzes and chapter test to assess your knowledge. If you get any questions wrong, you'll get a link back to the point in the lesson that discusses that concept for easy review.

9 Lessons in Chapter 9: The Universe, Solar System & the Earth-Sun Relationship
Test your knowledge with a 30-question chapter practice test
Big Bang Theory of the Universe: Definition & Overview

1. Big Bang Theory of the Universe: Definition & Overview

In this lesson, you'll learn about the most current theory on how the universe began, the Big Bang Theory. You'll learn about the theories about the origin of the universe that came before the theory as well as the events, discoveries, and scientists involved in the formulation of it.

Nebula: Definition & Theory

2. Nebula: Definition & Theory

A nebula is a large cloud of gas and dust particles. Nebulae are known as nurseries for stars, while at the same time most are created by the death of stars. This lesson will define and explain nebulae.

Galaxy Formation: Spiral, Elliptical & Irregular Galaxies

3. Galaxy Formation: Spiral, Elliptical & Irregular Galaxies

This lesson explains how galaxies form, starting with the Big Bang. You'll also learn about the solar nebula hypothesis and three galaxy types, including spiral, elliptical, and irregular galaxies.

Types of Stars by Size, Color and Life Cycle

4. Types of Stars by Size, Color and Life Cycle

Learn to identify the different sizes and colors of stars and how they relate to the star life cycle. In this lesson, we'll talk about spectral classification, how many stars there are of each type and the approximate color of the different classes of stars.

Solar System Overview

5. 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.

Solar Energy: Effects on Earth's Temperature

6. Solar Energy: Effects on Earth's Temperature

In this video lesson, learn about solar energy and how it affects temperatures on Earth. You will also learn what causes changes in day length and why some parts of Earth experience seasonal differences throughout the year.

How the Sun Provides Energy within the Ecosystem

7. How the Sun Provides Energy within the Ecosystem

In this lesson, we'll be looking at how the Sun provides energy for all life on Earth. Here you can learn about what powers the Sun and how that energy gets from outer space to Earth to help us feed the whole planet!

The Sun as a Source of Energy for Winds, Currents & the Water Cycle

8. The Sun as a Source of Energy for Winds, Currents & the Water Cycle

View this lesson to learn how energy from the sun powers our winds, ocean currents and the water cycle. Learn how the winds, ocean currents and the water cycle react to the energy from the sun.

Interactions in the Sun-Earth-Moon System

9. 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.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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