X-ray astronomy
A scope named Chandra
Black holes revealed
Dark matter detailed
Neutron stars


Why Files

Planets found
Neutrino astronomy
Robots on Mars
Sputnik's legacy
Spying from space
Many moons

Evidence for X-rays from Sources Outside the Solar System, Riccardo Giacconi et al, Physical Review Letters Vol.9, #11 Dec. 1, 1962, pp. 439-443.

Gravity's Fatal Attraction: Black Holes in the Universe, Mitchell Begelman and Martin Rees, Scientific American Library, 1996.

NASA's Chandra X-ray Telescope: A Revolution Through Resolution, Martin Elvis, Sky and Telescope, August, 1999, pp. 44-52.

A press release from NASA on the Chandra program.

Get starry eyed over our credits page.

back more
The Why Files
There are 1 2 3 4 5 pages in this feature.
Bibliography | Credits | Feedback | Search

©1999, University of Wisconsin, Board of Regents.