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Continue to ChatIn the Footsteps of Galileo: A Hands-on Workshop on Astronomy http://ncnaapt.org/in-the-footsteps-of-galileo-a-hands-on-workshop-on-astronomy/
In the Footsteps of Galileo: A Hands-on Workshop on Astronomy http://ncnaapt.org/in-the-footsteps-of-galileo-a-hands-on-workshop-on-astronomy/