Episode Links:
Project Vela- Astronautix.com](http://www.astronautix.com/a/advancedvela.html)
Department of Defense- Unclassified Report on Project Vela (http://www.dtic.mil/dtic/tr/fulltext/u2/263145.pdf)
DARPA- Project Vela (http://www.darpa.mil/about-us/timeline/vela)
Flash! The hunt for the biggest explosions in the universe. Page 13 (http://catdir.loc.gov/catdir/samples/cam031/2002283188.pdf)
What Is a Supernova? Space.com (https://www.space.com/6638-supernova.html)
Gamma-Ray Astronomy (https://imagine.gsfc.nasa.gov/science/toolbox/gamma_ray_astronomy1.html)
A History of Gamma-Ray Astronomy Including Related Discoveries (https://heasarc.gsfc.nasa.gov/docs/history/)
