Nuclear thermal rocket
<p>Jul 04, 2014 03:22 PM</p>
<p>
use for solar system exploration... considered by NASA but behind solar electric in promise.
(but much higher thrust, comparable to chemical engines)</p>
<p>Jul 04, 2014 03:22 PM</p>
<p>
use for solar system exploration... considered by NASA but behind solar electric in promise.
(but much higher thrust, comparable to chemical engines)</p>