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the claim
Sound propagation on Mars differs from Earth due to carbon dioxide atmosphere
the verdict
SUPPORTED
the evidence backs this
confidence 83/100

Recent in-situ acoustic recordings and modeling confirm that sound propagation on Mars differs significantly from Earth due to its carbon dioxide atmosphere and low pressure.

Evidence for · 2
In situ recording of Mars soundscape.
2022 · cited by 18
This study uses Perseverance microphone recordings to confirm unique acoustic properties in Mars's carbon dioxide atmosphere, such as frequency-dependent sound speeds and high-frequency attenuation.
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More for · 1
Geographical, Seasonal and Diurnal Variations of Acoustic Attenuation, and Sound Speed in the Near‐Surface Martian Atmosphere
2024 · cited by 6
This paper models sound attenuation and speed in the Martian atmosphere, explicitly accounting for the effects of carbon dioxide concentrations on acoustic properties.
The paper trail · every fact has a biography
first checked01 Aug 2026
judged → SUPPORTED · 8301 Aug 2026
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