dark Lunar Eclipse

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paul.fr

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dark Lunar Eclipse
« on: 15/08/2007 07:45:10 »
On the 28th of August (2007) There will be a dark Lunar Eclipse, but what is one of those? And what makes it different from other eclipses?

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Offline dentstudent

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dark Lunar Eclipse
« Reply #3 on: 15/08/2007 08:02:21 »
A lunar eclipse is where the earth comes between the moon and the sun, blocking out the light that normally illuminates the moon (which at this stage would always be a full moon). If the earth and moon are slightly further away from the sun (aphelion), the earth's shadow (umbra?) covers more of the moon, and so the moon eclipse is darker than if the earth and moon are a little closer to the sun (perihelion).