An image of a typical quasar and a star. An explanation written by a professional astronomer is included. There are also many embedded links within the text to related topics.

An image of a quasar. The large redshifts imply that quasars lie near the edge of the observable universe and must emit tremendous amounts of energy. There are also many embedded links to related topics.

NASA has provided a whole page full of images for you to download and print. These pictures are labeled and can be enlarged.

Every day is a cloudy day on Jupiter, the Solar System's reigning gas giant. This 3-dimensional visualization presents a simplified model view from between Jovian cloud decks based on imaging and spectral data recorded by the Galileo...

A photograph and description of quasar 3C279 viewed in gamma-rays. It was unexpectedly discovered and was one of the brightest objects in the gamma-ray sky until it suddenly faded.

A whole page of astronaut pictures which you can download and print. Many of the images are labeled with the names of the astronauts portrayed.

NASA has provided a whole page full of images for you to download and print. These pictures are labeled and can be enlarged.

Explains that pulsars would be the brightest objects in the sky if we could see gamma-rays.

View a chart displaying various kinds of meteorites collected on earth and read a technical article describing the manner in which they are studied. Provides a link to more information about the planet Mars and the role it plays in the...

The complex sequence of events in a supernova explosion are explained and illustrated.

Brief discussion of white dwarfs, their discovery, and evolution.

A photo of two huge satellite dishes aimed into space that are used for research in the field of space and astronomy.

This impressive exhibit of images and videos is available to see how NASA uses technology to track the weather. You can search by keyword for more specific images.

This site from IPAC is a series of images of various celestial objects and regions as viewed in infrared light. Each photo is accompanied by a caption.

Describes the red giant star's development stages and the scenario of our sun as a red giant. Diagrams are used to present the information.

This site from Nine Planets provides introductory material about nebulae, information and images of several types of nebulae, information on Edwin Hubble, and additional related sites are provided.

A picture of the Crab Nebula and accompanying text.

The complex sequence of events in a supernova explosion are explained and illustrated.

Jacqueline L. Schroedter, a scientist at Lockheed Missiles and Space Company when this photograph was taken, had earned a B.S. in astronomy from University of Arizona. The company-supplied caption said: "She is active in the...