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Our Projects

Build an EarthDial

Specifications for an EarthDial
The measurements and necessary components for a standard EarthDial

How to Build an EarthDial
Step-by-step instructions (also available in PDF format or as a summary in Spanish)

How to Read a Sundial
What time is it?

EarthDial Glossary
Face, furniture, gnomon, gnomonicist, motto, style

EarthDial Calculator 
Calculates the locations of the lines on the face of the EarthDial for your latitude

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Sign the petitions to your Representative and Senators urging them to commit NASA to a major scientific mission to Europa and restore the Planetary Science budget to its historical levels.

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Travel to Bennu on the OSIRIS-REx spacecraft!

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