CK-12 Foundation
Ck 12: Earth Science: Telescopes
[Free Registration/Login may be required to access all resource tools.] Overview of types of telescopes.
Harvard University
Chandra X Ray Observatory: Video Podcasts: The Incredible Two Inch Universe
A set of podcasts outlining a four-step process for understanding the vastness of our universe, from the vicinity of the Earth and Moon, out into distant galaxies. Downloadable instructions and a handout are included, as well as...
Georgia Department of Education
Ga Virtual Learning: Astronomers' Tools
In this interactive tutorial students will learn about a few of the instruments used to further our knowledge of the Universe around us.