Being the first project proposed by SDSS, this website is more of an introductory course. It first shows the user what information the survey has retrieved, and how to look for it in the database. Then it explains the...

This Sloan Digital Sky Survey (SDSS) project tells the user about the history and importance of sky surveys. The Sloan Digital Sky Survey (SDSS) is not the first effort that mankind has made to map the night sky. Using...

This site from the Exploratorium provides information on telescopes and observatories such as the Hubble Space Telescope that are being used to study spectra from space. Gamma-ray, x-ray, ultraviolet, and infrared...

This website, containing information from the Sloan Digital Sky Survey, provides projects and activities for advanced astronomy students. In this section students find the wavelengths emitted by electron transitions...

With Stellarium, anyone with a computer can view the nighttime sky in three dimensions without stepping outside. Users can view the sky from any location on Earth as well as any time or date, and they can rotate the...