"Challenger Center uses students' natural enthusiasm for space to create innovative learning experiences for imaginative young minds." After learning about the Challenger 51-L crew, users can find information about visits to the Challenger Learning Center Networks' forty six sites located across the Unites States, Canada, and the United Kingdom. Within the Teacher and Community Resources link,...

This NASA site was developed by Maggie Masetti to demonstrate astronomical distances and help users grasp the size our universe. Starting at Earth, users simply select the Zoom Out link to see continuously larger areas of our universe until they reach The Farthest Visible Reaches of Space. At each stop, visitors can click on the Tell Me About ___! link to receive information about the particular...

This website features the Utah division of Project Astro, a national program establishing partnerships between fourth through ninth grade teachers and students with professional and amateur astronomers. After learning how the group is enhancing astronomical education, visitors can discover the fun activities created by the participants of Project ASTRO-Utah such as making models of the Earth and...

The Virtual Sky Viewer is sponsored by The Center for Advanced Computing Research at the California Institute of Technology and the Microsoft Corporation. The Web site allows users to view "stunning, seamless images of the night sky; not just an album of popular places, but the entire northern sky at high resolution". Although reading the help link before attempting to use the viewer is recommend,...