Important Points on the Celestial Sphere

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

The point on the celestial sphere directly above the Earth's North Pole is called the:

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1. The circle on the celestial sphere that passes through the celestial poles and zenith is called the:

2. The point in the sky directly overhead is the:

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About This Quiz & Worksheet

Ascertaining points on the celestial sphere is an interesting topic, and this quiz and printable worksheet with help test your understanding of the vocabulary surrounding this topic. Some vocabulary terms you'll be assessed on include Celestial Sphere, Horizon, Zenith, Nadir, North Celestial Pole, South Celestial Pole, Celestial Equator, and Meridian.

Quiz & Worksheet Goals

In these assessments you'll be tested on the definitions of:

  • North Celestial Pole
  • Meridian
  • Zenith
  • Horizon
  • Nadir

Skills Practiced

This quiz and worksheet allow students to test the following skills:

  • Distinguishing differences - compare and contrast topics from the lesson, such as nadir and zenith
  • Information recall - access the knowledge you've gained regarding the point directly above Earth's North Pole
  • Knowledge application - use your knowledge to answer questions about the boundary between the sky and Earth

Additional Learning

To learn more about the points on the celestial sphere, then view the accompanying lesson. The lesson covers the following objectives:

  • Examine the difference between looking north or south in a cardinal direction versus looking straight up into the sky (Zenith) and straight down into the ground (Nadir)
  • Understand how the the Earth is divided from the sky, allowing a person to view only half the celestial sphere where they are standing
  • Know the importance of the North/South Celestial Pole and how it is divided by the Meridian and the Celestial Equator
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