Homepage of a radio telescope operated by Caltech in Hawaii. This radio telescope focusses on submillimeter frequencies. Be sure to look at the General Information link for info on telescope and the Astrophysics link to find information...

A discussion of ultraviolet light and its interaction with the atmosphere. Describes the UV detectors on a spacecraft which are used to study the UV light emissions from astronomical bodies.

This is a very comprehensive site on the subject of Astronomy and Astrophysics. The site has links to many sites on topics including astronauts, astronomy, astrophysics, education, jobs, etc.

This site describes the difference between reflective and refractive telescopes and includes a virtual tour of Yerkes Observatory which houses the largest refracting telescope in the world.

A collection of audio lectures from an introduction to astrophysics course taught at the University of California, Berkeley. The course discusses the solar system, stars, quantum mechanics, gravitation, and cosmology focusing on how...

A collection of video lectures from a cosmology course taught at Stanford University. The course gives an overview of the universe as a whole while focusing on astrophysics, physics, and astronomy in eight lectures. Lectures vary in length.

"We present the many satellites which have detected electromagnetic radiation through the 1960s, 70s, 80s, and 90s." Visit this site to read more about the development of satellites throughout the history of gamma-ray astronomy. Graphics...

Site provides the article, "NASA Detects One Of Closest And Brightest Gamma Ray Bursts." Provides links to learn more about gamma rays and black holes as well as other resources.

This site examines the black hole as an object in astrophysics. Delve into this comprehensive resource that covers this concept from its history, to qualitative physics, the reality of black holes, mathematical physics and more.

This hour long program by NOVA is split into six segments and examines a issues influencing scientists' current understanding of how the universe was formed. This includes The Big Bang and its lasting effects.