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the claim
Falcon 9 landing legs function as aerodynamic surfaces
the verdict
SUPPORTED
the evidence backs this
refutedsupported
the weight of evidence
2 sources for · 0 against

Peer-reviewed research establishes that the Falcon 9 landing legs interact with aerodynamic forces during descent, contributing to the booster's unique sonic boom signature.

Evidence for · 2
Why does the Falcon-9 booster make a triple sonic boom during flyback? An initial analysis.
2025 · cited by 3
Identifies that the lower portions of the booster, including folded landing legs, create a rearward-migrating rarefaction wave.
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The analysis

Judged against the evidence record for claims of this kind.

More for · 1
Grid fins and landing gear responsible for Falcon-9 booster’s unique sonic boom
2025 · cited by 0
States that landing gear are responsible, alongside grid fins, for the booster's unique sonic boom dynamics.
Everything we examined (4)
  1. Wikipedia: Falcon 9referenceno side takennot shown: read and judged not to bear on this claim
  2. Wikipedia: Landing gearreferenceno side takennot shown: read and judged not to bear on this claim
  3. Why does the Falcon-9 booster make a triple sonic boom during flyback? An initial analysis.peer-reviewedsupports
  4. Grid fins and landing gear responsible for Falcon-9 booster’s unique sonic boompeer-reviewedsupports
The paper trail · every fact has a biography
first checked05 Aug 2026
judged → SUPPORTED · 6705 Aug 2026
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