Door to Science

A new site in the Pisgah Astronomical Research Institute (PARI) family.

It is a home for science tutorials, examples, and activities for learners of all ages. An understanding of scientific methods and discoveries forms a foundation that allows a deeper connection to the world around us.

The door is open and waiting, explore your next frontier!

Kepler's Discovery

Step into the workings of our solar system at, the first of our science tutorials. Learn how Johannes Kepler investigated the movements of the planets to upend humanity's understanding of its place in the universe.

Explanations, illustrations, animations, and interactions await!

Special Thanks

This site is possible due to a generous gift from the estate of Evan Armstrong North. PARI is sincerely thankful for the possibilities this brings us.

Learn more