Curated OER
Chandra X-Ray Observatory
Students tour Chandra's top galactic X-ray images. For this Chandra X-Ray Observatory lesson, students play games and complete puzzles based on the Chandra Mission and X-Ray Astronomy. Students listen to pod casts, question an...
Curated OER
Solar Cycle
Students explore the solar cycle through a series of experiments. In this space science activity, students construct and evaluate solar cycle graphs. They explain how this phenomenon affects the Earth.