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Your Age on Other Worlds

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    The Exploratorium

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Your Age on Other Worlds

Did you know that you would be a different age if you lived on Mars? It's true! In this activity, you'll learn about the different rotation and revolution periods of each of the planets and calculate your age respectively. Included is an astronomy history lesson and explanation of Kepler's Laws of Orbital Motion. The activity has a calculator built into the web page, but the activity can be made more math intensive by using the given data to calculate the learner's age by hand.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:

Age Range:
Ages 8 - 18

Resource Type:


Materials List (per student)

  • Internet enabled computer (option)
  • pencil and paper (optional)


  • Earth and Space Science
    • Astronomy
      • Size and Scale
  • Mathematics
  • Physical Sciences
    • Motion and Forces
      • Kepler's Laws


To use this activity, learners need to:

  • see
  • use keyboard
  • use mouse
  • touch

Learning styles supported:

  • Involves hands-on or lab activities


Access Rights:

  • Free access


  • Hipschman, Ron


  • All Rights Reserved, The Exploratorium, ©2000


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