Contamination of planets by nonsterile flight hardware.
D001274:Atmospheric Pressure; D003201:Computers; D004781:Environmental Exposure; D004787:Environmental Pollution; D005118:Extraterrestrial Environment; D006358:Hot Temperature; D008829:Microbiology; D008962:Models, Theoretical; D009010:Monte Carlo Method; D011336:Probability; D011790:Quarantine; D013026:Space Flight; D013242:Sterilization