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OER

Open and Affordable Educational Resources

Astronomy OER

WikiBooks

OpenStax College

Videos

Khan Academy

NASA Solar System and Beyond

As NASA missions explore our solar system and search for new worlds, they are finding water in surprising places. Water is but one piece of our search for habitable planets and life beyond Earth, yet it links many seemingly unrelated worlds in surprising ways.

NASA Solve

Astronomy Education Clearighouse

Open Courses

Simulations

Other Resources

PhET Simulations

NASA E-Book