http://nobelprize.org/nobel_prizes/physics/laureates/1983/chandrasekhar-autobio.html
According to Rock, “This website shows why he won the Nobel Prize. It has a lot of fascinating information.”
http://chandra.harvard.edu/about/chandra.html
<>http://www.aerospace-technology.com/projects/chandra/
http://www.space.com/scienceastronomy/astronomy/chandra-crabxray990928.html
http://casswww.ucsd.edu/public/astroed.html
http://www.nasa.gov/audience/forkids/kidsclub/flash/index.html
http://starchild.gsfc.nasa.gov/docs/StarChild/StarChild.html