Dawn Sky Time Lapse | 09.21.2023
Easton, New York
© 2023 John Bulmer Photography + Nor'easter Films
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Lunar Spectrum (2023)The moon's appearance can change color due to a phenomenon called "lunar or moon illusion." This effect is primarily caused by the moon's position relative to the horizon, the Earth's atmosphere, and our perception of size. When the moon is near the horizon, it appears larger and can take on a reddish or orange hue due to the Earth's atmosphere scattering shorter wavelengths of light, like blue and green, while allowing longer wavelengths, such as red and orange, to pass through and reach our eyes. This gives the moon a warm, colorful glow. As the moon rises higher in the sky, it appears smaller, and the color may return to its usual white or gray appearance.