Olbers' Paradox & Cosmic Expansion: Nature of the Universe


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question 1 of 3

Our universe is:

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1. This is the model for our universe that states that the average distance between galaxies has been increasing ever since our universe came into existence:

2. The clashing contrasts of theory and observation for why the night sky should or shouldn't be dark is called:

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About This Quiz & Worksheet

Focusing on what just looking up in our sky might tell us about our universe, this quiz and corresponding worksheet will help you gauge your knowledge of Olbers' paradox and cosmic expansion. Topics you'll need to know to pass the quiz include understanding how big our universe is as well as knowing the model for the expanding universe.

Quiz & Worksheet Goals

Use this printable worksheet and quiz to review:

  • How big our universe is
  • Model for the universe
  • Characteristics of the Olbers' paradox
  • Definition of a static universe
  • Why the sky is dark at night

Skills Practiced

This worksheet and quiz will let you practice the following skills:

  • Interpreting information - verify you can read information regarding why the sky is dark at night and interpret it correctly
  • Knowledge application - use your knowledge to answer questions about the model for the universe
  • Reading comprehension - ensure that you draw the most important information from the related Olbers' paradox lesson

Additional Learning

To learn more about how we first came to our modern view of the universe, review the corresponding lesson on Olbers' Paradox and Cosmic Expansion: Nature of the Universe. This lesson will help you:

  • Understand what Olbers' paradox is
  • Explain how the paradox contrasts with Newton's view
  • Identify the implications of Olbers' paradox
  • Describe why having a finite speed of light is important to the theory
  • Appreciate the details of the expanding universe model