NASA Taxonomy

  1. P/Wild 2 Comet USE Comet P/Wild 2
  2. P/Wirtanen Comet USE Comet P/Wirtanen
  3. packaging USE Mechanical Engineering
  4. packing (machine elements) USE Mechanical Engineering
  5. packing (metallic materials) USE Metals and Metallic Materials
  6. packing (nonmetallic materials) USE Nonmetallic Materials
  7. paints USE Nonmetallic Materials
  8. Pan
  9. Pandora
  10. panels (structures) USE Structural Mechanics
  11. paper USE Nonmetallic Materials
  12. Para-Professional Business Operations
  13. PARABUSOPS USE Para-Professional Business Operations
  14. parachute aerodynamics USE Aerodynamics
  15. parachutes (personal and aircraft applications) USE Air Transportation and Safety
  16. parachutes (spacecraft applications) USE Space Transportation and Safety
  17. Paralegal
  18. parallel processing USE Computer Systems
  19. parallel processing (hardware) USE Computer Operations and Hardware
  20. parametric amplifiers USE Lasers and Masers
  21. parentology USE Theoretical Mathematics
  22. Parents
  23. Particle Counters
  24. particle physics USE Physics of Elementary Particles and Fields
  25. Partnership & Business Development
  26. Parts & Packaging
  27. Pasiphae
  28. passenger air transport operations USE Air Transportation and Safety
  29. passenger handling (air transportation) USE Air Transportation and Safety
  30. passenger handling (space transportation) USE Space Transportation and Safety
  31. Passenger Transportation
  32. passenger transportation (air) USE Air Transportation and Safety
  33. passenger transportation (space) USE Space Transportation and Safety
  34. passive communication satellites USE Spacecraft Design, Testing and Performance
  35. passive satellite stabilization USE Spacecraft Design, Testing and Performance
  36. passive sensors, trackers, and references (aircraft) USE Aircraft Communications and Navigation
  37. passive sensors, trackers, and references (spacecraft) USE Spacecraft Instrumentation and Astrionics
  38. patching compounds USE Nonmetallic Materials
  39. Patent Agent
  40. patent law USE Law, Political Science and Space Policy
  41. patent policy USE Law, Political Science and Space Policy
  42. Patent Waiver
  43. PATENTAGT USE Patent Agent
  44. Patents
  45. Patents and Intellectual Property
  46. pathology (human) USE Aerospace Medicine
  47. pattern recognition USE Cybernetics, Artificial Intelligence and Robotics
  48. Payload
  49. Payload Assist Module (PAM) assist USE Space Transportation and Safety
  50. payload delivery (space transportation) USE Space Transportation and Safety
  51. payload handling (space transportation) USE Space Transportation and Safety
  52. Payload Integration
  53. payload operations and support USE Ground Support Systems and Facilities (Space)
  54. payload retrieval (space transportation) USE Space Transportation and Safety
  55. PAYLOADINT USE Payload Integration
  56. Payloads
  57. Payloads and Facilities Engineering Branch
  58. PDS USE Planetary Data System
  59. Pennsylvania State University
  60. perception (biological, human) USE Aerospace Medicine
  61. perception (psychological, human) USE Behavioral Sciences
  62. Perception and Psychophysics Fundamental Research
  63. Perceptual Technologies and Standards
  64. Performance Management
  65. Performing data analysis and archiving.
  66. personal computers USE Computer Operations and Hardware
  67. PERSONLAW USE Personnel/EEO Law
  68. Personnel Provisions
  69. Personnel Relations and Services
  70. Personnel Security
  71. Personnel/EEO Law
  72. PERT (Program Evaluation and Review Technique) USE Administration and Management
  73. perturbation theory (mathematics) USE Numerical Analysis
  74. petrography USE Geosciences (General)
  75. petroleum deposits USE Earth Resources and Remote Sensing
  76. petrology USE Geosciences (General)
  77. pharmaceutical preparation (space processing) USE Space Processing
  78. pharmacology USE Aerospace Medicine
  79. phase equilibrium USE Metals and Metallic Materials
  80. phase shift keying (PSK) USE Communications and Radar
  81. phased array radar USE Communications and Radar
  82. Phobos
  83. Phobos
  84. Phoebe
  85. Phoenix Mars Lander
  86. Phoenix Mars Lander 2007
  87. photochemistry USE Inorganic, Organic and Physical Chemistry
  88. photoelasticity USE Structural Mechanics
  89. photoelectric devices USE Electronics and Electrical Engineering
  90. photogrammetry USE Earth Resources and Remote Sensing
  91. photographic processing equipment USE Instrumentation and Photography
  92. Photographic Services Management
  93. photographic supplies USE Instrumentation and Photography
  94. Photographs
  95. photography USE Instrumentation and Photography
  96. Photometers
  97. photometry USE Instrumentation and Photography
  98. photomultipliers USE Electronics and Electrical Engineering
  99. photon beams USE Optics
  100. photon interactions with atoms and molecules USE Atomic and Molecular Physics
  101. photonics USE Optics
  102. Photopolarimeter Radiometers
  103. Photopolarimeters
  104. Photos USE Photographs
  105. photosphere (solar) USE Solar Physics
  106. phototheodolites USE Instrumentation and Photography
  107. photovoltaic energy conversion devices USE Energy Production and Conversion
  108. physical chemistry USE Inorganic, Organic and Physical Chemistry
  109. Physical Models
  110. physical oceanography USE Oceanography
  111. physical properties of alloys USE Metals and Metallic Materials
  112. physical properties of celestial bodies USE Astrophysics
  113. physical properties of metals USE Metals and Metallic Materials
  114. physical properties of nonmetallic materials USE Nonmetallic Materials
  115. physical properties of propellants and fuels USE Propellants and Fuels
  116. Physical Sciences Competency Suite
  117. Physical Security
  118. Physics
  119. Physics (General)
  120. Physics of Elementary Particles and Fields
  121. physiological effects of flight (human) USE Aerospace Medicine
  122. physiological factors (human) USE Aerospace Medicine
  123. physiological monitoring devices (human) USE Aerospace Medicine
  124. physiological monitoring devices (theory and techniques) USE Instrumentation and Photography
  125. physiology (human) USE Aerospace Medicine
  126. phytoplankton concentration USE Oceanography
  127. piezoelectricity USE Solid-State Physics
  128. pilot performance USE Behavioral Sciences
  129. pilot support systems (aircraft) USE Avionics and Aircraft Instrumentation
  130. piloting (spacecraft) USE Spacecraft Design, Testing and Performance
  131. Pioneer 10
  132. Pioneer 11
  133. Pioneer 6
  134. Pioneer 7
  135. Pioneer 8
  136. Pioneer 9
  137. Pioneer Missions
  138. Pioneer Venus
  139. pions USE Physics of Elementary Particles and Fields
  140. piston engine fuels USE Propellants and Fuels
  141. piston engines (aircraft) USE Aircraft Propulsion and Power
  142. piston engines (non-aircraft) USE Mechanical Engineering
  143. pitch control (aircraft) USE Aircraft Stability and Control
  144. pitch control (spacecraft) USE Spacecraft Design, Testing and Performance
  145. pitch stability (aircraft) USE Aircraft Stability and Control
  146. pitch stability (spacecraft) USE Spacecraft Design, Testing and Performance
  147. Planck
  148. planet location USE Astronomy
  149. Planetary Atmospheres
  150. planetary atmospheres USE Lunar and Planetary Science and Exploration
  151. planetary biology USE Exobiology
  152. Planetary Data System
  153. Planetary Data System Engineering Node Office
  154. planetary exploration USE Lunar and Planetary Science and Exploration
  155. planetary landers USE Spacecraft Design, Testing and Performance
  156. planetary mapping USE Lunar and Planetary Science and Exploration
  157. planetary motion USE Lunar and Planetary Science and Exploration
  158. planetary orbiters USE Spacecraft Design, Testing and Performance
  159. planetary photography USE Lunar and Planetary Science and Exploration
  160. planetary probes USE Spacecraft Design, Testing and Performance
  161. planetary roving vehicles USE Ground Support Systems and Facilities (Space)
  162. planetary samples USE Lunar and Planetary Science and Exploration
  163. planetary satellites (characteristics and USE Lunar and Planetary Science and Exploration
  164. Planetary Science
  165. Planetary Science Division
  166. Planetary Science Experiments Office
  167. Planetary Science Instruments Office
  168. planetary structure USE Lunar and Planetary Science and Exploration
  169. Planetary Systems
  170. Planetary Systems Branch
  171. PLANETATM USE Planetary Atmospheres
  172. PLANETENV USE Terrestrial & Planetary Environmental Science and Engineering
  173. planetology USE Lunar and Planetary Science and Exploration
  174. PLANETSCI USE Planetary Science
  175. Planning (Organizing, directing, coordinating, controlling)
  176. Planning and Scheduling Systems Department
  177. Planning Documents
  178. plants USE Life Sciences (General)
  179. plasma conductivity USE Plasma Physics
  180. plasma diagnostics USE Plasma Physics
  181. plasma dynamics USE Plasma Physics
  182. plasma flow USE Plasma Physics
  183. plasma fusion USE Plasma Physics
  184. plasma oscillations USE Plasma Physics
  185. Plasma Physics
  186. plasma physics research equipment USE Plasma Physics
  187. plasma pinch USE Plasma Physics
  188. plasma propulsion (spacecraft applications) USE Spacecraft Propulsion and Power
  189. plasma propulsion (theory) USE Plasma Physics
  190. plasma seeding USE Plasma Physics
  191. plasma sheath USE Plasma Physics
  192. plasma spraying USE Mechanical Engineering
  193. plasma theory USE Plasma Physics
  194. plasma wakes (spacecraft) USE Spacecraft Design, Testing and Performance
  195. Plasma Wave Spectrometers
  196. plasma waves USE Plasma Physics
  197. plasticity USE Structural Mechanics
  198. plastics USE Nonmetallic Materials
  199. plate tectonics USE Geophysics
  200. plates (structural elements) USE Structural Mechanics