NASA / KENNEDY SPACE CENTER / SCIENCE PHOTO LIBRARY NASA / KENNEDY SPACE CENTER / SCIENCE PHOTO LIBRARY
Partial lunar eclipse. Lunar eclipses occur when the Earth moves between the Sun and the Moon. A partial lunar eclipse occurs when only a portion of the Moon is fully eclipsed, passing into the Earth's umbra. The rest of the Moon has dimmed as it passes into the Earth's penumbra (a phenomenon known as a penumbral eclipse). This partial lunar eclipse was viewed from Merritt Island, Florida, USA, at 22:59 local time. The Full Moon, travelling west to east, is three-quarters of the way into the Earth's shadow. Photographed on 20 January 2000.
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