ALPhA provides "communication and interaction among the faculty and staff who are involved in advanced laboratory physics instruction at colleges and universities in the United States and the rest of the world." (from their website)
AAPT is "committed to providing the most current resources and up-to-date research needed to enhance a physics educator's professional development." (from organization's website)
Online atlas of the universe. The Office of the Director of the Hayden Planetarium operates out of the Department of Astrophysics at the American Museum of Natural History. Their mission is to bring the frontier of astrophysics to the public via exhibitry, books, public programs, and on-line resources.
MErcury Surface, Space ENvironment, GEochemistry, and Ranging) is devoted to NASA's mission to the study of Mercury. The site contains amazing illustrations and clear descriptions of the program and associated science. The home page includes real-time clocks displaying the time elapsed since the beginning of the mission, time until completion of the next orbit around Mercury . Navigation of the webiste is easy and contains sections that allow visitors to determine their depth of investigation.
This tool has a zoom feature that allows the user to view the sky at <1 degree filed of view. Display options are large and clear. There may be a warning the the site needs "a different Google Maps API key." Simply click OK to continue to the site.
Find presentations, recorded lectures, teaching materials, movies, animations, games, posters, photos, games and ideas for practical activities in the classroom. All this material is available for free when used for educational purposes.
