Physics & Astronomy
carbon
5%
carbon monoxide
5%
clays
4%
concentrators
4%
conduction
2%
electrolysis
10%
heat
23%
heat transfer
3%
heating
5%
high thrust
7%
hydrogen
5%
ice
4%
impurities
8%
interplanetary spacecraft
7%
liquids
2%
meteorites
5%
minerals
4%
monopropellants
7%
nanoparticles
8%
near Earth objects
13%
nuclear reactors
4%
oxygen
5%
payloads
5%
performance
1%
propellants
10%
propulsion
59%
reflectors
8%
regolith
6%
resources
4%
rocket nozzles
7%
simulation
1%
space exploration
6%
steam
57%
sulfur
4%
sun
3%
sunlight
9%
temperature
1%
thrust
20%
travel
53%
viability
4%
water
30%
water resources
7%
Engineering & Materials Science
Carbon
3%
Carbon black
5%
Carbon monoxide
4%
Clay
4%
Earth (planet)
7%
Electrolysis
10%
Heat transfer
2%
Heating
3%
Hot Temperature
25%
Hydrogen
7%
Ice
4%
Impurities
12%
Industrial heating
5%
Interplanetary spacecraft
7%
Liquids
2%
Meteorites
7%
Minerals
4%
Monopropellants
6%
Nanoparticles
13%
Nuclear reactors
4%
Oxygen
7%
Propellants
9%
Propulsion
20%
Rocket nozzles
6%
Solar concentrators
6%
Steam
21%
Steam propulsion
100%
Sulfur
4%
Sun
4%
Temperature
1%
Water
28%
Water resources
5%
Earth & Environmental Sciences
black carbon
5%
carbon
2%
carbon monoxide
4%
clay
3%
combustion
3%
distribution system
5%
electrokinesis
9%
heating
6%
hydrogen
7%
ice
3%
laboratory
2%
laboratory test
4%
liquid
2%
meteorite
4%
mineral
2%
nanoparticle
13%
nuclear reactor
6%
oxygen
6%
propellant
11%
regolith
5%
resource
2%
simulation
2%
spacecraft
4%
sulfur
3%
temperature
1%
thrust
20%
travel
48%
viability
4%
water
16%
water extraction
6%
water resource
3%
world
5%