Comment on Some Emerging Possibilities For Space PropulsionComments−thearn412yNASA used to have a small program to evaluate concepts for breakthrough propulsion, which ended around 2002.http://www.grc.nasa.gov/WWW/bpp/−chroem12yWhy not a fission fragment rocket? We could send a probe to the centauri system with current technology.https://en.wikipedia.org/wiki/Fission-fragment_rocket
Comments
NASA used to have a small program to evaluate concepts for breakthrough propulsion, which ended around 2002.
http://www.grc.nasa.gov/WWW/bpp/
Why not a fission fragment rocket? We could send a probe to the centauri system with current technology.
https://en.wikipedia.org/wiki/Fission-fragment_rocket