Curated OER
Black Holes
High schoolers study black holes and see how space telescopes can provide data to support current hypotheses. They examine the anatomy of a black hole using a diagram of an accretion disk, the event horizon, and jets of hot gas.
Cosmos 4 kids
Cosmos4 kids.com: Exploration
Space can be explored in many different ways. Read about space exploration and click on the topics on the right margin to find out how man finds out about his universe.
California Institute of Technology
Stories From Space: Supercool Space Tools
A great story highlighting the history of space discovery and the tools then and now. Learn about the tools and technology that help us in our quest to go beyond our planet and our solar system.
University of Wisconsin
The Why Files: Terrific Telescopes
Why? File provides insight into four advances in telescope technology as well as shows how they are "improving our harvest of cosmic understanding."
NASA
Nasa: The Space Place: Keck Interferometer
This site from the National Aeronautics and Space Administration provides the opportunity to solve a crossword and learn about the world's biggest telescopes.
CK-12 Foundation
Ck 12: Earth Science: Telescopes Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about electromagnetic radiation and the different types of telescopes that rely on various forms of it. Includes a few...