the moon
DESCRIPTION
The Moon. A look at our nearest neighbor in Space!. Free powerpoints at http://www.worldofteaching.com. What is the Moon?. A natural satellite One of more than 96 moons in our Solar System The only moon of the planet Earth. Location, location, location!. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/1.jpg)
A look at our nearest neighbor in Space!
The Moon
Free powerpoints at http://www.worldofteaching.com
![Page 2: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/2.jpg)
What is the Moon?
• A natural satellite• One of more than 96 moons in
our Solar System• The only moon of the planet
Earth
![Page 3: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/3.jpg)
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)
![Page 4: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/4.jpg)
The Moon’s Surface
• No atmosphere• No liquid water• Extreme
temperatures– Daytime = 130C
(265°F)
– Nighttime = -190C (-310 F)
• 1/6 Earth’s gravity
![Page 5: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/5.jpg)
Lunar Features - Highlands
• Mountains up to 7500 m (25,000 ft) tall
• Rilles (trenchlike valleys)
![Page 6: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/6.jpg)
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
![Page 7: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/7.jpg)
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
![Page 8: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/8.jpg)
Maria
Craters
Can you see the rays?
Does this photo show us a limb or terminator line?
![Page 9: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/9.jpg)
Movements of the Moon
• Revolution – Moon orbits the Earth every 271/3 days
• The moon rises in the east and sets in the west
• The moon rises and sets 50 minutes later each day
• Rotation – Moon turns on its axis every 27 days
• Same side of Moon always faces Earth
![Page 10: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/10.jpg)
Far Side of the Moon• First seen by Luna 3
Russian space probe in 1959
• Surface features different from near side– More craters
– Very few maria
– Thicker crust
![Page 11: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/11.jpg)
It’s Just a Phase
• Moonlight is reflected sunlight
• Half the moon’s surface is always reflecting light
• From Earth we see different amounts of the Moon’s lit surface
• The amount seen is called a “phase”
![Page 12: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/12.jpg)
Waxing and Waning
• New moon
• Waxing Crescent moon
• First Quarter moon
• Waxing Gibbous moon
• Full moon
• Waning Gibbous moon
• Third Quarter moon
• Waning Crescent moon
• New moon
earth
moon orbit`searth
last (third)quarter
gibbous moon
full moon
gibbous moon
first quarter
crescent
new moon
crescent
waning Moon
waxing Moon
SUN
![Page 13: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/13.jpg)
FULL
QUARTER
CRESCENT
GIBBOUS
FOUR MAIN SHAPES
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New Moon
The lighted side of the Moon faces away from the Earth. This means that the Sun, Earth,
and Moon are almost in a straight line, with the Moon in between the Sun and the
Earth. The Moon that we see looks very dark
![Page 16: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/16.jpg)
New Moon
![Page 17: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/17.jpg)
First Quarter Moon
The right half of the Moon appears lighted and the left side of the Moon appears dark.
During the time between the New Moon and the First Quarter Moon, the part of the Moon that appears lighted gets larger and
larger every day, and will continue to grow until the Full Moon.
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First Quarter Moon
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Third (Last) Quarter Moon
Sometimes called Third Quarter. The left half of the Moon appears lighted, and the right side of the Moon appears dark. During the time between the Full Moon and the Last Quarter Moon, the part of the Moon that
appears lighted gets smaller and smaller every day. It will continue to shrink until the New Moon, when the cycle starts all over again.
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Third Quarter Moon
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Full Moon
The lighted side of the Moon faces the Earth. This means that the Earth, Sun, and Moon are nearly in a straight line, with the Earth
in the middle. The Moon that we see is very bright from the sunlight reflecting off
it.
![Page 22: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/22.jpg)
Full Moon
![Page 23: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/23.jpg)
Waxing Crescent Moon
This Moon can be seen after the New Moon, but before the First Quarter Moon. The
crescent will grow larger and larger every day, until the Moon looks like the First
Quarter Moon.
("Waxing" means increasing, or growing larger.)
http://btc.montana.edu/ceres/html/birthdayphases.html
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Waxing Crescent Moon
http://btc.montana.edu/ceres/html/birthdayphases.html
![Page 25: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/25.jpg)
Waxing Gibbous Moon
This Moon can be seen after the First Quarter Moon, but before the Full Moon. The
amount of the Moon that we can see will grow larger and larger every day.
("Waxing" means increasing, or growing larger.)
http://btc.montana.edu/ceres/html/birthdayphases.html
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Waxing Gibbous Moon
http://btc.montana.edu/ceres/html/birthdayphases.html
![Page 27: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/27.jpg)
Waning Gibbous Moon
This Moon can be seen after the Full Moon, but before the Last Quarter Moon. The
amount of the Moon that we can see will grow smaller and smaller every day.
("Waning" means decreasing, or growing smaller.)
http://btc.montana.edu/ceres/html/birthdayphases.html
![Page 28: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/28.jpg)
Waning Gibbous Moon
http://btc.montana.edu/ceres/html/birthdayphases.html
![Page 29: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/29.jpg)
Waning Crescent Moon
This Moon can be seen after the Last Quarter Moon and before the New Moon. The crescent will grow smaller and smaller every day, until the Moon looks like the
New Moon.
("Waning" means decreasing, or growing smaller.)
http://btc.montana.edu/ceres/html/birthdayphases.html
![Page 30: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/30.jpg)
Waning Crescent Moon
http://btc.montana.edu/ceres/html/birthdayphases.html
![Page 31: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/31.jpg)
http://www.opencourse.info/astronomy/introduction/04.motion_moon/moon_phases.gif
![Page 32: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/32.jpg)
Earth
Moon
MoonPlane of earth’s orbit
Plane of lunar orbit
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Lunar Eclipses
• Moon moves into Earth’s shadow – this shadow darkens the Moon– Umbra
– Penumbra
• About 2-3 per year• Last up to 4 hours
![Page 34: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/34.jpg)
Solar Eclipses• Moon moves between
Earth and Sun• Moon casts a shadow
on part of the Earth• Total eclipses rare –
only once every 360 years from one location!
![Page 35: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/35.jpg)
The Tides
• Tides caused by pull of Moon’s gravity on Earth
• High tide –– Side facing Moon and side away from Moon
– Every 12 hours, 25 ½ minutes
• Low tide –– On sides of Earth
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Exploring the Moon
• 1950s to 1960s - probes
• Neil Armstrong First man on the Moon – July 20, 1969
• Six Apollo missions (1969-1972)– 382 kg (842 lbs) rocks
• 12 Americans have walked on the moon
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![Page 39: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/39.jpg)
When will we return?
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Moon base of the future?
• What would you need to live there?
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Name this phase!
Full MoonWhat time does this phase rise and set?
![Page 43: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/43.jpg)
Name these features.
Name these
features.
Craters
Maria
![Page 44: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/44.jpg)
Does this image show us the near side or far side of the moon?
Far SideHow can you tell?
![Page 45: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/45.jpg)
Is this line the limb or terminator?
Is this line the limb or terminator?
Limb
Terminator
![Page 46: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/46.jpg)
Name this phase!
First Quarter
![Page 47: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/47.jpg)
Name this phase!
Waxing Crescent
![Page 48: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/48.jpg)
Does this image show the near side or the far side of the moon?
Near Side
![Page 49: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/49.jpg)
Name this phase!
Waning Gibbous
![Page 50: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/50.jpg)
Name this phase!
Third Quarter
![Page 51: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/51.jpg)
From what direction does the moon rise?
The East
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Name this phase!
Waxing Gibbous
![Page 53: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/53.jpg)
Name this phase!
Waning Crescent
![Page 54: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/54.jpg)
What might be happening in this image?
Lunar Eclipse
![Page 55: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/55.jpg)
Is this line the limb or the terminator?
Limb
![Page 56: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/56.jpg)
Name this phase!
Look closely!
Waxing Gibbous
![Page 57: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/57.jpg)
True or False:
The Far Side and the Dark Side of the moon
are the same thing.
False!
![Page 58: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/58.jpg)
Name this phase!
Full Moon
![Page 59: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/59.jpg)
Name this phase!
New Moon
![Page 60: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/60.jpg)
Does the moon rise or set in the west?
It sets in the west.
![Page 61: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/61.jpg)
Name this phase!
Waning Gibbous
![Page 62: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/62.jpg)
Name this phase!
Waning Crescent
![Page 63: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/63.jpg)
Name this phase!
Waning Gibbous
![Page 64: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/64.jpg)
![Page 65: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/65.jpg)
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![Page 74: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/74.jpg)
The Lunatic: Leesa Hubbard
![Page 75: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/75.jpg)
Photo resources• http://www.nasm.si.edu/apollo/AS15/
a15images.htm• http://nssdc.gsfc.nasa.gov/photo_gallery/
photogallery-moon.html#apollo• http://clementine.cnes.fr/index.en.html• http://cass.jsc.nasa.gov/pub/research/clemen/
clemen.html• http://spaceflightnow.com/news/
n0108/15mooncreate/• http://seds.lpl.arizona.edu/nineplanets/
nineplanets/pxmoon.html
![Page 76: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/76.jpg)
More photo resources
• http://www.nrl.navy.mil/clementine/clemovies/clemovies_index.html
• http://www.solarviews.com/eng/moon.htm• http://news.bbc.co.uk/1/hi/sci/tech/620649.stm• http://skyandtelescope.com/observing/objects/
eclipses/article_99_1.asp• http://lunar.arc.nasa.gov/results/ice/eureka.htm• http://www.space.com/scienceastronomy/
solarsystem/moon_nss_020604.html
![Page 77: The Moon](https://reader036.vdocument.in/reader036/viewer/2022081603/56813735550346895d9ec4e9/html5/thumbnails/77.jpg)
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