our moon - The Moon A look at our nearest neighbor in Space...

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A look at our nearest neighbor in Space! The Moon Free powerpoints at http://www.worldofteaching.com
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What is the Moon? A natural satellite One of more than 96 moons in our Solar System The only moon of the planet Earth
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Location, location, location! About 384,000 km (240,000 miles) from Earth 3,468 km (2,155 miles) in diameter (about ¼ the size of Earth)
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Birth of the Moon “Born” 4-5 billion years ago Formed from impact of Mars-sized “planetesimal” on Earth Debris from both objects melted together to form the Moon
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Cut to the Core 3 major divisions of the Lunar interior Crust - average thickness of about 70 kilometers Mantle Core - radius is between 300 and 425 kilometers
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The Moon’s Surface No atmosphere No liquid water Extreme temperatures Daytime = 130 ° C (265°F) Nighttime = -190 ° C (-310 ° F) 1/6 Earth’s gravity
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Lunar Features - Highlands Mountains up to 7500 m (25,000 ft) tall Rilles (trenchlike valleys)
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Lunar Features - Craters Up to 2500 km (1,553 miles) across Most formed by meteorite impact on the Moon Some formed by volcanic action inside the Moon
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Lunar Features - Maria Originally thought to be “seas” by early astronomers Darkest parts of lunar landscape Filled by lava after crash of huge meteorites on lunar surface 3-4 billion years ago Mostly basalt rock
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Craters Can you see the rays? Does this photo show
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This note was uploaded on 01/21/2012 for the course PHYSICS 104 taught by Professor Richardbeaver during the Fall '11 term at Boise State.

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our moon - The Moon A look at our nearest neighbor in Space...

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