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Post Info TOPIC: Phases of the moon


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RE: Phases of the moon
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Title: Simulating the Phases of the Moon Shortly After Its Formation
Author: Emil Noordeh, Patrick Hall, Matija Cuk

The leading theory for the origin of the Moon is the giant impact hypothesis, in which the Moon was formed out of the debris left over from the collision of a Mars-sized body with the Earth. Soon after its formation, the orbit of the Moon may have been very different than it is today. We have simulated the phases of the Moon in a model for its formation wherein the Moon develops a highly elliptical orbit with its major axis tangential to the Earth's orbit. This note describes these simulations and their pedagogical value.

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New 2013 Phases of the Moon Animation Released

A new animation highlighting the phases of the Moon has been released by the Scientific Visualization Studio at NASA Goddard Space Flight Center in Greenbelt, Md.
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Do you have a favourite phase of the moon?  Romantics will almost certainly be drawn to the full moon, but during its 29.5-day cycle, going from one new moon to the next, our satellite offers up plenty of other choices.
There's the precise semicircle of a first or last quarter moon.  And maybe you've been surprised in the morning to see the moon, about two-thirds illuminated and still clearly visible against the blue daytime sky. But for sheer beauty, nothing beats a razor-thin crescent moon hanging over the western horizon in the fading evening twilight. 

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