[FOTZeiss] Earth Had Two Moons?

[Glenn A. Walsh]

Earth Had Two Moons That Crashed to Form One, Study Suggests

 http://www.space.com/12529-earth-2-moons-collision-moon-formation.html

gaw



Glenn A. Walsh, Project Director,

Friends of the Zeiss < http://friendsofthezeiss.org >

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SPACE & SCIENCE NEWS, ASTRONOMICAL CALENDAR:

  < http://buhlplanetarium.tripod.com/#news >

Author of History Web Sites on the Internet --

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* Adler Planetarium, Chicago:

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* Astronomer, Educator, Optician John A. Brashear:

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* Andrew Carnegie & Carnegie Libraries: 

  < http://andrewcarnegie.tripod.com >

* Civil War Museum of Andrew Carnegie Free Library:

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* Duquesne Incline cable-car railway, Pittsburgh: 

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