It is rare to see 18 Nobel laureates agree on anything, let alone the...

https://dlf-ne.org/is-nuclear-propulsion-worth-it-just-to-shave-time-to-mars/

It is rare to see 18 Nobel laureates agree on anything, let alone the propulsion systems for a lunar mission. Back in the 1960s, a quiet but intense war broke out between nuclear, chemical, and electric engine designs