Direct fusion drive for interstellar exploration

Engineering & Materials Science

• Solar system 100%
• Plasma heating 72%
• Fusion reactions 69%
• Engines 41%
• Orbits 38%
• Physics 37%
• Planets 25%
• Rocket engines 24%
• Deceleration 24%
• Stars 22%
• Sun 22%
• Lenses 21%
• NASA 19%
• Plasmas 19%
• Spacecraft 19%
• Earth (planet) 18%
• Communication systems 17%
• Robotics 16%
• Systems analysis 16%
• Fluids 13%
• Communication 10%

Earth & Environmental Sciences

• solar system 91%
• engine 79%
• plasma 50%
• thrust 37%
• budget 36%
• physics 35%
• nuclear fusion 35%
• heating 30%
• communication system 25%
• robotics 24%
• electric power 24%
• spacecraft 19%
• planet 19%
• communication 16%
• fluid 12%
• laboratory 11%
• simulation 9%
• method 4%

Physics & Astronomy

• fusion 69%
• solar system 39%
• flyby missions 34%
• engines 28%
• plasma heating 23%
• budgets 20%
• thrust augmentation 18%
• interstellar space 14%
• rocket engines 13%
• gravitational lenses 12%
• specific impulse 12%
• low Earth orbits 11%
• robotics 11%
• plasma physics 11%
• thrust 10%
• deceleration 10%
• extrasolar planets 10%
• systems engineering 10%
• electric power 10%
• nuclear fusion 10%
• planets 8%
• spacecraft 8%
• telecommunication 8%
• sun 8%
• envelopes 8%
• communication 7%
• orbits 6%
• stars 6%
• physics 6%
• fluids 5%
• configurations 5%
• simulation 3%