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Table 1 Several flight opportunities and their characteristics

From: Effects of spaceflight and simulated microgravity on microbial growth and secondary metabolism

Flight opportunities Time of duration Gravity level (g)
Drop tower 2–9 s 10− 5 - 10− 2
Parabolic flight 15–30 s 10− 3 - 10− 2
Sounding rockets 6–15 min 10− 4 - 10− 3
Recoverable satellites/space shuttle 1–2 mon 10− 5 - 10− 3
Space station (spacelab) Several years or permanent 10−6 - 10− 5