Our Moon

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Our Moon
Currently 1st quarter, six days old
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Optical Illusion on the horizon
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Angular size varies
Because .
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variation in distance
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Galileos sketch

• Revealed dark maria areas
• Craters (which are now known to be impacts)

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Better seen in photos

• This taken in 1865!

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Men on the Moon

• Buzz Aldrin2nd to step on the Moon

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We drove on the Moon
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Brought back rocks

• Maria rocks are basalt
• Rocks are anhydrousno water

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Maria Formation Theory
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Early theories of Moons origin
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Current Theory