The Moon |
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Презентация: «The Moon». Автор: Unknown User. Файл: «The Moon.ppt». Размер zip-архива: 4569 КБ.
The Moon
содержание презентации «The Moon.ppt»| № | Слайд | Текст |
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The MoonA look at our nearest neighbor in Space! Free powerpoints at http://www.worldofteaching.com |
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What is the MoonA 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, locationAbout 384,000 km (240,000 miles) from Earth 3,468 km (2,155 miles) in diameter (about ? 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 Core3 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 SurfaceNo 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 - HighlandsMountains up to 7500 m (25,000 ft) tall Rilles (trenchlike valleys) |
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Lunar Features - CratersUp 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 - MariaOriginally 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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CratersCan you see the rays? Maria Does this photo show us a limb or terminator line? |
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Movements of the MoonRevolution – 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 |
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Far Side of the MoonFirst seen by Luna 3 Russian space probe in 1959 Surface features different from near side More craters Very few maria Thicker crust |
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It’s Just a PhaseMoonlight 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” |
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Waxing and WaningNew moon Waxing Crescent moon First Quarter moon Waxing Gibbous moon Full moon Waning Gibbous moon Third Quarter moon Waning Crescent moon New moon |
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FOUR MAIN SHAPESFULL CRESCENT Four Basic Shapes GIBBOUS QUARTER |
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EarthPlane of earth’s orbit Moon Plane of lunar orbit Moon |
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Lunar EclipsesMoon moves into Earth’s shadow – this shadow darkens the Moon Umbra Penumbra About 2-3 per year Last up to 4 hours |
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Solar EclipsesMoon 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! |
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The TidesTides caused by pull of Moon’s gravity on Earth High tide – Side facing Moon and side away from Moon Every 12 hours, 25 ? minutes Low tide – On sides of Earth |
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Exploring the Moon1950s 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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When will we return |
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Ice on the Moon1994 – Clementine probe 1998 – Lunar Prospector |
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Moon base of the futureWhat would you need to live there? |
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The Lunar Challenge |
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Name this phaseFull Moon What time does this phase rise and set? |
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Name these featuresCraters Maria Name these features. |
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Far SideDoes this image show us the near side or far side of the moon? How can you tell? |
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Is this line the limb or terminatorLimb Terminator Is this line the limb or terminator? |
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Name this phaseFirst Quarter |
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Name this phaseWaxing Crescent |
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Near SideDoes this image show the near side or the far side of the moon? |
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Name this phaseWaning Gibbous |
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Name this phaseThird Quarter |
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The EastFrom what direction does the moon rise? |
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Name this phaseWaxing Gibbous |
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Name this phaseWaning Crescent |
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What might be happening in this imageLunar Eclipse |
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Is this line the limb or the terminatorLimb |
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Name this phaseWaxing Gibbous Look closely! |
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False!True or False: The Far Side and the Dark Side of the moon are the same thing. |
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Name this phaseFull Moon |
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New MoonName this phase! |
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It sets in the westDoes the moon rise or set in the west? |
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Name this phaseWaning Gibbous |
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Name this phaseWaning Crescent |
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Name this phaseWaning Gibbous |
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The Mythical Moon |
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The Lunatic: Leesa Hubbard |
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Photo resourceshttp://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 |
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More photo resourceshttp://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 |
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This powerpoint was kindly donated to wwwworldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching. |
| «The Moon» | ||
