Ch 4: Understanding Orbits in Astronomy

About This Chapter

Be sure you fully understand orbits in astronomy with help from this informative chapter. Here you'll access short video lessons and self-assessment quizzes to supplement what you're reading in your astronomy textbook or to get caught up in class.

Understanding Orbits in Astronomy - Chapter Summary

In this chapter, our instructors present information to help you understand orbits as they're defined in astronomy. The video lessons included here discuss center of mass, ecocentricity, circular velocity and more. In less than ten minutes, you can watch an entire video lesson or use the video tabs feature to quickly navigate to the portion of the video you'd like to see. Our Dashboard provides a place for you to submit any questions that come up to one of our instructors to answer. After you finish watching these videos, you should be prepared to:

  • Identify the four kinds of trajectories for celestial objects
  • Define ecocentricity and the orbits of planets
  • Discuss center of mass, the barycenter and orbital motion
  • Detail the influence orbits have on energy and gravity
  • Explain escape velocity and circular velocity

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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