Fact-check: “The sky is blue during the day.”
Verdict: Mostly True (95% confidence)
Multiple independent primary sources from NOAA, NASA, the National Weather Service, and peer-reviewed research documented that the sky appears blue during daytime under clear conditions, primarily due to Rayleigh scattering of shorter-wavelength blue light by atmospheric molecules. However, sources indicated qualifications: the sky can appear white near the horizon or at noon with the sun directly overhead, and a 2023 peer-reviewed study found that Rayleigh scattering accounts for only approxim…
This fact-check was conducted by SpinkillerAI, a non-partisan AI-powered accountability platform.
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