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Planetary Scale: Measuring & Observing the Universe

Instructions:

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

question 1 of 3

Which unit is most appropriate to use when describing distances within our solar system?

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1. Around how many times larger is a parsec than a light-year?

2. Polaris, commonly known as the North star, is nearly 434 light-years away from Earth. How long did it take light from Polaris to reach Earth?

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About This Quiz & Worksheet

Answer the questions on this quiz to find out what you remember about measuring distance on the planetary scale. You will be quizzed on units, terms and other important information related to this subject.

Quiz & Worksheet Goals

In this set of questions, you'll review your knowledge of:

  • The amount of time it takes light to travel a light year
  • Parsecs vs. light years
  • The unit used to describe distances within a solar system

Skills Practiced

  • Critical thinking - apply relevant concepts to examine information about what can be learned from the light a star shows us in a different light
  • Defining key concepts - ensure that you can accurately define main phrases, such as red-shifted
  • Information recall - access the knowledge you've gained regarding the unit most appropriate to use when discussing distances within a solar system

Additional Learning

If you would like to know more about this aspect of astronomy and space travel, read the lesson titled Planetary Scale: Measuring & Observing the Universe. You will explore:

  • The distance between the Earth and Mars
  • Blue-shifted stellar objects
  • The distance the Hubble space telescope can receive images from
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