Fact-check: “The sky is blue”
Verdict: Mostly True (95% confidence)
The daytime sky does appear blue to human observers under normal conditions, and this is directly confirmed by NOAA, NASA, and peer-reviewed atmospheric science. The minor qualification is that 'blue' is most accurate for the daytime sky away from the sun — near the horizon or at sunrise/sunset, other effects shift the color — and a 2023 peer-reviewed paper notes the standard Rayleigh scattering explanation, while broadly correct, is an oversimplification in some viewing conditions. The claim i…
This fact-check was conducted by SpinkillerAI, a non-partisan AI-powered accountability platform.
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