INIS
exergy
100%
propellants
100%
moon
100%
extraction
100%
resources
50%
space
50%
hydrogen
40%
water
30%
production
20%
oxygen
20%
energy
20%
thermodynamics
20%
operating cost
20%
architecture
20%
cost
20%
ice
20%
increasing
10%
budgets
10%
propulsion systems
10%
exploration
10%
energy balance
10%
testing
10%
refining
10%
values
10%
economics
10%
solar system
10%
commercialization
10%
optimization
10%
losses
10%
methane
10%
implementation
10%
energy costs
10%
regolith
10%
foundations
10%
space vehicles
10%
international cooperation
10%
liquids
10%
alternative fuels
10%
carbon dioxide
10%
margins
10%
electrolysis
10%
in-situ processing
10%
humans
10%
orbits
10%
engines
10%
availability
10%
energy consumption
10%
Earth and Planetary Sciences
Extraction
100%
Propellant
100%
Energy Balance
12%
Carbon Dioxide
12%
Commercialization
12%
Revenue
12%
Material Science
Propellant
100%
Water
37%
Ice
25%
Liquid
12%
Spacecraft
12%
Carbon Dioxide
12%
Alternative Fuel
12%
Engineering
Operating Cost
28%
Exergy Input
14%
Thermodynamic Loss
14%
Refining
14%
In Situ Processing
14%
Energy Flow
14%