Zero-boil-off Space Fuel Depots
by Brian Wang from NextBigFuture.com on (#6HRWM)
One crucial area to enable trips to Mars is the long-duration storage of cryogenic propellants in various space environments. Relevant propellants include liquid Hydrogen (LH2) for high specific impulse Nuclear Thermal Propulsion (NTP) which can be deployed in strategic locations in advance of a mission. Such LH2 storage tanks could be used to refill a ...