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Mystery Class begins January 30, 2015


Track the Seasons to Solve a Mystery Countdown to Mystery Class: Fall 2014

Monthly: September 1, 2014 - January 1, 2015
As you countdown the months before Mystery Class begins in January, track changes in day length as the Earth revolves around the Sun.

Sunset September 2014
Getting Ready for Mystery Class: Track changes in daylength as the Earth revolves around the Sun.
Sun Archived Seasons

Explore previous Mystery Class Challenges.

Countdown to Mystery Class

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