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Total eclipse HTML5

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Summary

Never stare at the sun without proper eye protection.

An eclipse of the Sun can only occur at New Moon when the Moon passes between Earth and Sun at the correct distance. (The Moon’s orbit around the Earth is slightly elliptical).
The corona can only be safely viewed without the solar filter during the few brief minutes of totality -- that is, when the Moon blocks the entire face of the sun.
The rest of the time, you have to use the appropriate solar filter and never look directly at the Sun without proper eye protection.

Click on "solar filter" to view the scene through a filter.

Learning goals

  • To teach that you must protect your eyes from harmful solar radiation.
  • To distinguish between the astronomical and local views of a solar eclipse.
  • To describe the whole chronology preceding a solar eclipse.

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