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The crescent moon HTML5

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Summary

The plane of the Moon's orbit is tilted at about 5° with respect to the ecliptic (the plane containing the Earth's orbit and the sun).
This simulation illustrates why a waxing or waning crescent moon seems to be tilted at a much larger angle in the sky.

 

Learning goals

  • To switch from one point of view to another in viewing the changing moon.
  • To illustrate how our senses can distort what we observe in Nature.

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