Orbit and Space . Net
 Orbital Rocket Science

 Earth and Space, Space Division
 Orbital Branch
 Mars and Space . Net
 Mars Rocket Science

 Earth and Space, Space Division
 Mars Branch
 Moon and Space . Net
 Lunar Rocket Science

 Earth and Space, Space Division
 Lunar Branch
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SCIENCE 2021 (Earth, Lunar, Mars, and Orbital)
Earth and Space
       Down to Earth Rocket Science       
   - Aerospace Engineering
   - Space Science    
   - Energy
   - Environmental
   - Outposts
   - Non-combustion Power
   - Non-combustion Propulsion
   - Shield (Radiation / Heat / Cold)
   - Agriculture (Environmental)
   - Construction (Aerospace & Sea)
   - Manufacturing (Clean Electrical)
   - HW / SW Development (Automation)
   - Robotics (Lunar, Mars, Orbital)
   - Machining (Automation)
     - Avionics for Lunar, Mars, Orbital (LuMO)
     - Inertial Sensors and Systems (LuMO)
     - Orbital Mechanics (LuMO)
     - Biology and Physiology (LuMO)
     - Chemistry (LuMO)
     - Physics
     - Computer Science (Automation and Robotics)
     - Electrical Engineering (Power and Robotics)
     - Mechanical Engineering (LuMO)
     - Industrial Engineering (LuMO)
     - Chemical Engineering (LuMO)
     - Earth and Moon Transport Systems
     - Solar System (NASA JPL / Ames -"like" activity)
     - Remote Sensing further out ("")
 Services: Aerospace Programs and Projects Involving: