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Total Lunar Eclipse
16' f/4.5 Newtonian Telescope on Kodak Ektar 125
- This photograph is of the August 16, 1989 total eclipse of the Moon. A lunar eclipse occurs when a full moon moves into the Earth's shadow.
Although no sunlight falls directly on a totally eclipsed moon, some sunlight bends around the Earth as it passes through the atmosphere. From this bending - or refraction - blue light is removed and only this dim red-orange color is left to illuminate the Moon. The amount of this light that reaches the lunar surface depends on the amount of volcanic dust, large storms, and clouds present in the Earth's atmosphere at the time of the eclipse.
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