Moon Formation and Structure
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Transcript of Moon Formation and Structure
![Page 1: Moon Formation and Structure](https://reader034.fdocuments.in/reader034/viewer/2022052618/554a63ebb4c905441a8b4692/html5/thumbnails/1.jpg)
Attachment AInstructor Presentation
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Notice that the earth goes through “phases” if you are on the moon.
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An object the size of Mars collided with the Earth. There is a lot of evidence for this event!
http://burro.cwru.edu
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http://www.scientificpsychic.com
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•Material on the moon is like our crust and mantle. Very little iron is there.•No atmosphere on the moon due to high energy impact.•Same oxygen atoms are on the earth and moon that are different from ones found in comets and meteoriods!
Collision Theory Evidence !
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What theory best describes the formation of the moon?
Collision Theory
Mastery Question
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What evidence supports the collision theory of lunar formation?
Similar surface compositionNo atmosphere due to the force of impactSimilar oxygen atoms – different than on
other celestial objects
Mastery Question
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Why do you think we have not yet found the point of impact on Earth?
Self-expressive Question
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Comparisons:
1/4 our diameter
1/6 our gravity
About 240,000 miles away
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Lunar far side looks very different from the side of the moon we always see!
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Goal was to put men on the moon to explore and conduct scientific experiments.
Neil Armstrong was the first person to walk on the moon. He did so on July 20, 1969.
Video clip of Apollo Missions
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Regolith – lunar soil – caused by meteorite impacts
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Why is the footprint still visible? Why hasn’t it changed?
No atmosphereNo agents of weathering and erosion
Understanding Question – connection to previously learned material
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Maria
Rays around craters
Maria
Highlands
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Apollo15
Maria
Highlands
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Apollo15
Old crater
newer crater
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Photo Apollo 15
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Earthrise Apollo 8
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Crater Copernicus viewed from lunar orbit
Apollo 12
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What are three features of the moon?
MariaHighlandsCraters
Mastery Question
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Crescent Earth rises above lunar horizon
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Capturing the Sun:aluminum panel trapsatomic particles from the Sun during the Apollo 11 mission.
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Apollo 12
Alan Bean descends the Intrepid's ladder
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seismic experiment
Apollo 14
Moonquakes occur because of the earth pulling on the moon. They are called “rock tides.”
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Apollo 15
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Rock samplingApollo 15
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Apollo 16 – getting soil samples
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Apollo 17
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Lunar lander and lunar rover.
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Fixing a fender
Apollo 17
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Do you think NASA should send another mission to the moon?
YES!• Learn more • Possible life?• Future colonization• Find the Man in the
Moon
NO!• We have been there 17
times already• Too much money• Need to explore
elsewhere
Interpersonal Question
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Do other lunar formation theories have merit?
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Your assignment…
Choose one of the other three lunar formation theories. Write a news release describing new evidence that proves your theory.