The Horizon Coordinate System


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question 1 of 3

The angular distance of an object around the horizon, starting from the north, and measured eastwards around the horizon to a point on the horizon directly below the object's location on the celestial sphere is known as the:

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1. The angular distance above the celestial horizon is called the:

2. This is a point in the sky that's located directly above the observer:

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About This Quiz & Worksheet

With this quiz/worksheet combo, you will be assessed on your knowledge of the various properties of the horizon coordinate system, including how objects are located using this system.

Quiz & Worksheet Goals

We aim to assess your understanding of:

  • Angular distance
  • Point in the sky directly above the observer
  • The celestial sphere

Skills Practiced

  • Knowledge application - review topics from the lesson to answer questions about the circular boundary between the Earth and sky
  • Information recall - access the knowledge you've gained regarding coordinates
  • Reading comprehension - ensure that you draw the most important information from the related lesson on the horizon coordinate system

Additional Learning

Interested in coordinate systems? Check out the accompanying lesson titled The Horizon Coordinate System. It will cover the topics:

  • How to use the system
  • Practical applications for the system
  • Concept of angular distance