Caption: Lunar eclipse. Animation showing the mechanics of a lunar eclipse. During a lunar eclipse, the Moon passes into the shadow of the Earth, causing its visible face to darken. It does not disappear completely as some reddish light is refracted onto it by the Earth's atmosphere. The Earth's shadow comprises a dark central umbra surrounded by the lighter, more diffuse penumbra. A total lunar eclipse can only occur at Full Moon, when the Earth lies directly between the Moon and the Sun. It does not occur every Full Moon as the orbital planes of the Earth and Moon are slightly inclined with respect to each other. A lunar eclipse is visible from everywhere on the night side of the Earth.

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Keywords: 10 seconds or greater, animated, animation, astronomical, astronomy, diagram, earth, eclipse, eclipsing, full moon, geometry, harvest moon, illustration, light, lunar, mechanics, moon, no-one, nobody, orbital, orbits, penumbra, planetary, red, reddish, science, shadow, space, sun, total eclipse, umbra

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Lunar eclipse, umbra and penumbra

K005/3000 Rights Managed

Downloadable master

Duration: 00:00:16.31

Frame size: 1280x720

Frame rate: 60

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 89.0M


Capture format: QuickTime Animation

Codec: H.264

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