lunes, 20 de septiembre de 2010

the moon in motion

phases of the moon:the shape of lighted part of the moon seen from earth at any time

lunar eclipse v: a blocking  of a viewof the full moon when the moon passes  into Earth´s shadow

solar eclipse : a blocking out of a solar view of the sun when Earth passes throught the moon shadow

tide: the regular rise and fall of the water level along a shortline

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