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Ch 27: Navigation and Timekeeping in Astronomy: Help and Review

About This Chapter

The Navigation and Timekeeping in Astronomy chapter of this Intro to Astronomy: Help & Review course is the simplest way to master navigation and timekeeping in astronomy. This chapter uses simple and fun videos that are about five minutes long, plus lesson quizzes and a chapter exam to ensure you learn the essentials of navigation and timekeeping in astronomy.

Who's It For?

Anyone who needs help learning or mastering navigation and timekeeping in astronomy material will benefit from the lessons in this chapter. There is no faster or easier way to learn navigation and timekeeping in astronomy. Among those who would benefit are:

  • Students who have fallen behind in understanding timekeeping or navigation methods
  • Students who struggle with learning disabilities or learning differences, including autism and ADHD
  • Students who prefer multiple ways of learning astronomy (visual or auditory)
  • Students who have missed class time and need to catch up
  • Students who need an efficient way to learn about navigation and timekeeping in astronomy
  • Students who struggle to understand their teachers
  • Students who attend schools without extra astronomy learning resources

How It Works:

  • Find videos in our course that cover what you need to learn or review.
  • Press play and watch the video lesson.
  • Refer to the video transcripts to reinforce your learning.
  • Test your understanding of each lesson with short quizzes.
  • Verify you're ready by completing the navigation and timekeeping in astronomy chapter exam.

Why It Works:

  • Study Efficiently: Skip what you know, review what you don't.
  • Retain What You Learn: Engaging animations and real-life examples make topics easy to grasp.
  • Be Ready on Test Day: Use the navigation and timekeeping in astronomy chapter exam to be prepared.
  • Get Extra Support: Ask our subject-matter experts any question on navigation or timekeeping in astronomy. They're here to help!
  • Study With Flexibility: Watch videos on any web-ready device.

Students Will Review:

This chapter helps students review the concepts in a navigation and timekeeping in astronomy unit of a standard introduction to astronomy course. Topics covered include:

  • Units of time
  • Apparent vs. mean solar time
  • Leap years
  • Tropics of Cancer & Capricorn
  • Global positioning system

5 Lessons in Chapter 27: Navigation and Timekeeping in Astronomy: Help and Review
Test your knowledge with a 30-question chapter practice test
Units of Time: Solar, Sidereal & Synodic

1. Units of Time: Solar, Sidereal & Synodic

This lesson will define solar day, sidereal day, synodic month, sidereal month, solar (tropical) year, and sidereal year, as well as tell you their exact lengths. After you've watched the video, take our brief quiz.

Apparent Solar Time vs. Mean Solar Time

2. Apparent Solar Time vs. Mean Solar Time

This lesson will discuss the concept of the solar day and how long it is. You'll also learn what mean solar time, apparent solar time, time zones, and standard time have to do with it all.

The Origin & Purpose of Leap Years

3. The Origin & Purpose of Leap Years

This lesson will explain what the leap year is, why it was instituted, and why we bother using it compared to an alternative calendar that would mimic the solar year exactly.

Importance of the Tropic of Cancer & the Tropic of Capricorn

4. Importance of the Tropic of Cancer & the Tropic of Capricorn

In this lesson, you'll learn about the significance of the Tropics of Cancer and Capricorn, and how they help explain the hot weather in the tropical zone and the cold weather above and below the Arctic and Antarctic Circles, respectively.

The Global Positioning System and Its Uses

5. The Global Positioning System and Its Uses

This lesson will describe the global positioning system: who invented it, who runs it, how GPS works based on satellites and handheld units, and the many different uses for GPS. After you've completed this lesson, check out the quiz questions that 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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