This website provides brief tutorials on spectroscopy, cosmology, galaxies, light pollution, solar system scale, the sun, stellar properties, telescopes, the history of astronomy, and stars. This site also contains a...

Authored by Nick Strobel, "Astronomy Notes" is an educational resource for introductory astronomy classes for undergraduates. This section discusses refracting, reflecting, and radio telescopes. Definitions and...

This Center, at the University of California, Berkeley, is dedicated to making space science information accessible to educators and public. Internet-based classroom resources for astronomy education in grades K-12 and...

The HubbleSite includes news, lessons, activities, and multimedia on the hubble telescope and the work performed by it and its team of scientists. The site includes a large archive of images taken by the telescope,...

This is the data release from the Two Micron All Sky Survey. This release covers 2,483 deg2 of northern sky observed from the 2MASS facility at Mt. Hopkins, AZ. The release data products include 233,979 compressed...