Amazing Space provides information and images for general use and educators and developers.
A Hubble Gallery features highlights from Hubble’s image collection. Images can be viewed as interactive zoom-ins, big pictures, or videos. Images and videos can be downloaded.
Servicing Mission 4 provides text and video describing the 2009 mission to refurbish the Hubble Space Telescope. The story and supplemental educational materials are available as PDFs.
Online Explorations offers 11 interactives for examining the history of telescopes, cooking up virtual comets and reading the myths and legends that surround them, and collecting trading cards while learning about the solar system. No Escape: The Truth About Black Holes provides text, visuals, quiz, and a culminating writing exercise about the types and science of black holes. The interactive includes teaching tips and links to other resources.
The Star Witness News reports on findings from the Hubble Space Telescope. A recent scoop is about the discovery of P5, a fifth moon of Pluto. Articles include photos and are available as PDFs.
Resources gathers astronomy materials by topic.
Tonight’s Sky presents a monthly view of the night sky highlighting planets, constellations and deep sky objects, and celestial events. The brief programs (May is 7:05) can be viewed online or downloaded in different formats.
Homework Help provides answers to questions, definitions of terms, project resources, three models of the Hubble Space Telescope, study help, and more.
For Educators and Developers offers teaching tools, astronomy basics, and education and public outreach resources, including NASA grants for small projects promoting science education with astronomy and space science at all levels, but especially K-12.
The Glossary can be searched alphabetically or by topic category.