SEA4Task4 - Solar and Lunar Eclipse Lunar The Moon is...

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Solar and Lunar Eclipse Lunar The Moon is located in the constellation Aries. The Moon enters the penumbra at 8:17 PM ET. The Moon enters the umbra at 8:45 PM ET. The shape of the shadow line across the moon is curved. Based only on observations of the curvature of the shadow line on the Moon, it can be assumed that the Earth is generally spherical in shape. Obviously, squares and other objects with straight edges do not cast shadows that are curved, so that eliminates any angular Earth shape. Because the curve of the shadow line is continuously curved at the same rate, it can be assumed that the Earth is not elliptical in shape. The gentle curve also suggests that the Earth is curved gently. The fact that we do not witness the entire curve also suggests that the Earth is larger than the Moon. The Moon exits the umbra at 11:30 PM ET. The Moon exits the penumbra at 11:51 PM ET. The Moon was in the umbra of the shadow for 2 hours, 45 minutes. The Moon was in the penumbra of the shadow for
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This note was uploaded on 12/06/2010 for the course SEA SEA4 taught by Professor Unknown during the Fall '09 term at Western Governors.

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SEA4Task4 - Solar and Lunar Eclipse Lunar The Moon is...

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