This website is part of the Space Telescope Science Institute, and contains a set of interactive, web-based activities and lessons designed for classroom use. Topics include the Hubble Space Telescope, galaxies, comets, black holes, light, and the solar system.
This description of a site outside SERC has not been vetted by SERC staff and may be incomplete or incorrect. If you
have information we can use to flesh out or correct this record let us know.