Curated OER
Nasa Jet Propulsion Laboratory: Comet Hale Bopp Images
This site contains 5,161 images of the Hale-Bopp comet from 1995 to 2000. This incredible photo archive is definitely worth a visit.
NASA
Nasa Star Child: The Solar System
Discover information about parts of the Solar System, along with definitions just by clicking on highlighted vocabulary terms. Be sure to try the "Solar System Activities" to review the material from these pages.
Ducksters
Ducksters: Astronomy for Kids: Glossary and Terms
Kids learn about the glossary and terms for the science of astronomy including words and definitions such as asteroid, comet, meteoroid, galaxy, eclipse, etc.
City University of New York
Lehman College: An Introduction to Lines
Use this site for two short lesson plans regarding Euclidean and Spherical lines. Intersecting and parallel lines are discussed. The lesson contains activities for two days of class.