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- 1Da Vinci Glow: Earthshine Illuminates the Moon's Dark Side●The Da Vinci Glow, also known as earthshine, occurs when sunlight reflects off Earths surface to illuminate the darkened
Skywatchers are discussing the Da Vinci Glow, or earthshine, a phenomenon in which sunlight reflected from Earth's surface faintly illuminates the darkened portion of the lunar disk. Leonardo da Vinci first explained the effect in the sixteenth century, recognising that our planet acts as a mirror bouncing light onto the Moon, a spectacle best seen near a crescent moon.