Published: March 2007
Learn More
In Learn More the National Geographic magazine team shares some of its best sources and other information to expand your knowledge of our featured subjects. Special thanks to the Research Division.

Related Links

Space Telescope Science Institute
Find images from the Hubble Space Telescope and links to educational resources covering many subjects in astronomy.

Gamma-ray Bursts
Introduce yourself to the physics of gamma-ray bursts, with links to both technical and nontechnical papers about the subject.


Hester, Jeff, and others. 21st Century Astronomy. W.W. Norton, 2002.

Hildebrandt, Wolfgang, and others. "How to Blow Up a Star." Scientific American (October 2006), 43-49.

Schilling, Govert. Flash. Cambridge University Press, 2002.

Wheeler, J. Craig. Cosmic Catastrophes, Supernovae, Gamma-Ray Bursts, and Adventures in Hyperspace. Cambridge University Press, 2000.

NGS Resources

Cowen, Ron. "Galaxy Hunters." National Geographic (February 2003), 2-29.

Klesius, Michael. "Super X-ray Vision." National Geographic (December 2002), 42-53.

DeVorkin, David, and others. Beyond Earth: Mapping the Universe. National Geographic Books, 2002.

Sawyer, Kathy. "Unveiling the Universe." National Geographic (October 1999), 8-41.

Smith, Bradford A., and William R. Newcott. "New Eyes on the Universe." National Geographic (January 1994), 2-41.

Kirshner, Robert P. "Supernova—Death of a Star." National Geographic (May 1988), 618-47.

"A Star Explodes." National Geographic World (May 1987), 16-19.

Gore, Rick. "The Once and Future Universe." National Geographic (June 1983), 704-49.