noun
- the faint illumination of the dark part of the moon by sunlight reflected from the earth
Usage: astronomy
Examples
- The earthshine made the dark portion of the crescent moon faintly visible.
- Astronomers study earthshine to understand Earth’s reflectivity.
- During the new moon phase, earthshine is most easily observed.
- The phenomenon of earthshine was first explained by Leonardo da Vinci.
- Earthshine appears as a ghostly glow on the moon’s unlit surface.
- Photographers often capture earthshine in images of the crescent moon.