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the claim

The speed of sound is constant regardless of altitude.

the verdict
REFUTED
the evidence says no
Recorded sources
0 sources for · 4 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that the speed of sound is constant regardless of altitude?

No. Reference sources state that the speed of sound in air varies with temperature and travels slower at higher altitude, so it is not constant regardless of altitude.

Verdict: REFUTED · 0 sources for, 4 against · Last checked

Evidence against · 4
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Speed of sound - Wikipedia. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Speed_of_sound

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More against · 3
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Why does the speed of sound decrease at high altitudes.... (n.d.). physics.stackexchange.com. https://physics.stackexchange.com/questions/502429/why-does-the-speed-of-sound-decrease-at-high-altitudes-although-the-air-density

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LibreTexts: 1.04%3A Sound Speed. (n.d.). phys.libretexts.org. https://phys.libretexts.org/Bookshelves/Waves_and_Acoustics/Acoustics/01%3A_Fundamentals/1.04%3A_Sound_Speed

2019
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Dumas, H. M., Oliveira, C. F. A. d., & Simeão, C. P. (2019). Determining the Speed of Sound as a Function of Temperature Using Arduino. eric.ed.gov. https://doi.org/10.1119/1.5088475

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