What Are Planetary Nebulae?

Instructions:

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

question 1 of 3

Planetary nebulae form around which types of stars?

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1. What are planetary nebulae?

2. What causes the planetary nebulae to glow such pretty colors?

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About This Quiz & Worksheet

Planetary nebulae occur when a medium-sized star--about the size of our Sun--runs out of fuel. This quiz/worksheet combo will help you test your understanding of planetary nebulae. Some things you'll be assessed on include which types of stars planetary nebulae form around, the definition of planetary nebulae, and what causes the planetary nebulae to glow.

Quiz & Worksheet Goals

In these assessments you'll be tested on the following:

  • Types of stars planetary nebulae form around
  • Definition of planetary nebulae
  • Causes of a planetary nebulae's colorful glow
  • Term for a temporary re-ignition of helium and an increase of luminosity in a dying star
  • Ejection of a star's outer envelope during a thermal pulse

Skills Practiced

  • Information recall - access the knowledge you've gained regarding planetary nebulae
  • Knowledge application - use your knowledge to answer questions about the characteristics of planetary nebulae and their cause
  • Interpreting information - verify that you can read information on planetary nebulae and interpret it correctly

Additional Learning

To learn more about this type of astronomical phenomenon, review the accompanying lesson titled What Are Planetary Nebulae? This lesson covers the following topics:

  • What happens when a star runs out of fuel?
  • What are planetary nebulae?
  • How are planetary nebulae formed?
  • What are planetary nebulae made of?
  • Why is it called a planetary nebulae?
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