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Transcript of Http://tchriste/courses/PES1 05/105lectures/figures/SunEarthMoon.gif MENU VIRTUAL FIELD TRIP, part...
http://www.uccs.edu/~tchriste/courses/PES105/105lectures/figures/SunEarthMoon.gif
MENUMENU
VIRTUAL FIELD TRIP, part oneVIRTUAL FIELD TRIP, part one
by M.T Davis
EARTHEARTH
TERRA
SUNSUNSOL
MoonMoon LUNALUNA
Microsoft clip art
SOLAR SOLAR systEMsystEM
DIAGRAM OF THE SOLAR SYSTEM
Without planet names
QUIZ yourself!
With planetnames and links
CLICK below to watch a video about our solar system
LINKS TO EXPLORE THE SOLAR SYSTEM
SOLAR SYSTEM SIMULATOR from NASA:http://space.jpl.nasa.gov/
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Where in the universe is our solar system?
Video credit: http://port.inst.cl.uh.edu/portfolio/CrawfordG7517/Portfolio/Audio_Visual/Solar_System
http://www.iuwe.net/elearn/b02/32.htm
Click below, resize screen, and push start, for animation about the origin our solar system: solarsystemform.mov,
Moon Moon blocking blocking the sunthe sun
BASIC INFO
Solar SystemSolar System
Eclipses:Eclipses:
VIDEOSVIDEOS
information, information, activitiesactivities
SUN NEWSSUN NEWSAND IMAGESAND IMAGES
Interesting Interesting facts about facts about
the SUNthe SUN
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11 22
How eclipses How eclipses workwork
Video credits:
http://www.space.com/science/astronomy/eclipse.html
Video list
A solar eclipse occurs when the Moon passes between the Sun and the Earth so that the Moon's shadow strikes the Earth. The photo inset shows what the eclipse looks like from Earth. Photo courtesy of Dennis diCicco.), Chapter 1 ,Figure 1.14 ; Thomas T. Arny, Explorations: an Introduction to Astronomy , McGraw-Hill
DIAGRAM TO READ AND COLOR
AnswersMore on Solar Eclipses
EnchantedLearning.comLabel the Solar Eclipse
More Astronomy Activities
Earth - the planet on which we live.Moon - the natural satellite of the Earth.Penumbra means”almost shade,” - the area in which the shadow of an object (the moon on the Earth) is partial, and the area in which a partial solar eclipse is experienced.SunSun - the star in our Solar System.UmbraUmbra –means “shade,” the area in which the shadow of an object (the moon on the Earth) is total, and the area in which a total solar eclipse is experienced.
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SITES TO EXPLORE !Zoom Astronomy
http://www.enchantedlearning.com/subjects/astronomy/
Windows to the Universe
http://www.windows.ucar.edu/
NASA Kids’ pages
http://solarsystem.nasa.gov/kids/nasakids.cfm
StarChild: The Solar System: info, visuals, games, activities
http://starchild.gsfc.nasa.gov/docs/StarChild/solar_system_level1/solar_system.html
Solar System Journey
http://www.thegrid.org.uk/learning/science/madscientist/resources/space/solar_system/solar_journey
Activitieshttp://www.vendian.org/mncharity/dir3/solarsystem/
Great info and imageswww.space.comwww.spaceweather.com
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Why does Mercury revolve Why does Mercury revolve around the sun so fast?around the sun so fast?
picture from EnchantedLearning.com ( Copyright ©2001)
Hint: My Very Excellent Memory Just Showed Us Nine Planetss
SUN (sol)
ANSWERS
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Click on any planet’s name for more informationClick on any planet’s name for more information
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The Sun is a star at the center of our solar system. Our Sun is a medium-sized yellow star that is 93,026,700 miles (149,680,000 km) from Earth. Its diameter is 865,121 miles (1,391,980 km). At its core, nuclear reactions produce enormous amounts of energy, through the process of converting hydrogen atoms into helium atoms (nuclear fusion). The Sun's absolute magnitude is +4.83. The solar mass is 1.99 x 1030 kg.Animation, images, and wonderful facts at
http://www.adlerplanetarium.orgSource: http://www.enchantedlearning.com/subjects/astronomy/activities/coloring/Sun.shtml
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INTERESTING FACTS ABOUT THE SUN
•The SUN is about 109 times bigger than the Earth.
• about 1,300,000 Earths could fit inside the Sun .
•The Sun's mass is is about 333,000 times the mass
of the Earth.
•The Sun contains 99.8% of all of the mass of the SOLAR
System.
•the sun is like a fusion reactor. ITS core converts
hydrogen into helium. This releases huge amounts of
energy, which light and heat our planet.
• The sun is about five billion years oldfive billion years old and will live for
about another five billion years. MORE
Energy ransfersRADIATION RADIATION Radiant energy travels in waves and is sometimes called electromagnetic energy. An example is visible light.
CONCONDUCTIONDUCTIONAtoms pass energy from atom to atom.
CONCONVECTION VECTION atoms move, carrying energy
““crown”crown”
“color”
“light”
Adapted from
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““heartheart””
HYDROGEN atoms fuse snd become HELIUM atoms and release A LOT of energy
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How the sun affects the earthHow the sun affects the earth
It gives the earth energy: light and heat and sound and the whole electromagnetic spectrum.
The light gives us plants, the producers in our food chain, and gives us vision and color. The heat gives us weather and climate zones and many different biomes. Go to the next screen to see all of the kinds of energy included in the electromagnetic spectrum
http://www.world-net.net/home/tonya/astrel/7thscience/electromag/spectrum.htm
emspect.gif saturn.vcu.edu/~rgowdy/astro/mod/010/f.html
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EARTH
terra
(1) Rotation
Gives usGives us
SEASONSSEASONS
Why are there different CLIMATES in Why are there different CLIMATES in different places on Earth? Click below.different places on Earth? Click below.
(3) Tilt added
to REVOLUTION
About the Earth
Earth’s motions and why they matterEarth’s motions and why they matter
(2) Revolution
Gives us day & Gives us day & night!night!
Gives US Gives US
YEARSYEARS
Click Click herehere
Credit:UN FAO
Click Click herehere
Click Click herehere
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RotationRotation: The Latin word ROTAROTA means “WHEELWHEEL.”
ROTATE means to spin around your own
center, like a WHEELWHEEL.
Which of these are Which of these are examples of examples of rotationrotation? ? Why? Why?
Which one is Which one is NOTNOT ROTATION? Why?ROTATION? Why?
www.mcwdn.org/ MAPS&GLOBES/Revolution.GIF
AXISAXIS
AXISAXIS
The EARTH rotates (counter-clockwise ) around its own center or AXIS, once every 24 hours.
ONE rotation =24 hours = ONE day
The rotation of the EARTH causes NIGHT and DAY.
As the EARTH rotates, half of it faces the light of the SUN (DAY TIME,) while the other half is in the dark, facing away from the sun (NIGHT TIME.)
One entire rotation
takes 24 hours.24 hours.
CLICK HERE for another EARTH VIEWER which lets you watch day and night move over the earth as it turns. TRY clicking ANIMATE at the bottom right, to see the cycle speed up
revolutionrevolution
Revolution does not mean to spin around your own center. it means to go around something else (as in an orbit.)
Copernican1.mov :http://wps.prenhall.com/esm_chaisson_BG4/0%2C7633%2C695470-%2C00.html
www.mcwdn.org/ MAPS&GLOBES/Revolution.GIF
Earth REVOLVING around the SUN
CLICK below to see animation of all of
The planets REVOLVING around the SUN
POP QUIZ!!!POP QUIZ!!! WHICH OF THE FOLLOWING IS AN EXAMPLE OF ROTATIION and which of REVOLUTION ? WHY?
1. A spinning coin
2. Walking around your desk.
3. The motion of hands on a clock.
4. A merry-go-round
5. Running a lap around the field.
1. rotation
2. revolution
3. rotation
4. rotation
5. revolution
ANSWERS
Earth ‘revolves’ around the sun once every 365 and ¼ Earth ‘revolves’ around the sun once every 365 and ¼ days.days. ONE revolution = ONE yearONE revolution = ONE year. Each . Each yearyear is is 365365 daysdays long, long, with an extra day added every 4with an extra day added every 4thth year (leap year). year (leap year).
http://www.geog.ucsb.edu/classes/Geog3/a/lecture03_files/frame.html
One rotation One rotation = 24 hours = = 24 hours = one dayone day
One revolution = One revolution = 365.25 days = 365.25 days = one yearone year
The average speed of Earth in its orbit is about 66,000 mphMotionsoftheearth.ppt, slide 4
REVOLUTION does NOT cause SEASONS. The axis of the earth is NOT straight up and down, but TILTS 23.5 °. This is what causes the SEASONS.
CLICK on the movie on the next page for an explanation with pictures.
CLICK ON THE PICTURE, then CLICK ON THE PICTURE, then PRESS START arrowPRESS START arrow
Earth’s TILT causes the SEASONS
SUMMER SOLSTICESUMMER SOLSTICE: WHICH hemisphere gets MOST light ?
So, who has summer?, who has summer?
WINTER SOLSTICEWINTER SOLSTICE: WHICH Hemisphere gets LEAST light ?
So, who has winter?who has winter?
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Look where the sun’s direct rays are Look where the sun’s direct rays are concentrated in summer and winterconcentrated in summer and winter
JUNE JUNE
DECEMBERDECEMBER
Moon
lunaluna
Play with and Play with and practice LUNAR practice LUNAR
PHASES: PHASES: There are directions There are directions
at bottom leftat bottom left
Dyson’s Dyson’s animated animated moon map moon map and and activitiesactivities
MONTHMONTH means“one means“one
moon cycle”- one cycle moon cycle”- one cycle
takes about 29.5 daystakes about 29.5 days
About About the the moonmoon
LunarLunarPhasesPhases info info and and videovideo
MOON MOON VIEWERVIEWER
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MOON MOON CALENDAR CALENDAR for ANY for ANY MONTH YOU MONTH YOU CHOOSECHOOSE
Lunar Lunar mapsmapsand and Latin Latin place place namesnames
See the moon phase for any date and time !
MOON and MOON and TIDESTIDES
LUNAR LUNAR ECLIPSESECLIPSES
In 1647, a Polish astronomer, Johannes Hevelius, a Polish
astronomer, published the first study of lunar topography in a book
called Selenographia, “Description of the Moon.” It included
many excellent lunar maps with Latin names given to the
geographical features on the surface of the moon. Many of the
names given by him to the lunar mountains, craters, and other
features are still used. Click below for two different maps, one
more like his and one interactive.
MOON MAP with Latin names
AWESOME
MOON LINKS !!
WHAT the LATIN NAMES MEAN
MORE MORE GREAT GREAT MOON links !MOON links !
Dyson’s ANIMATED Dyson’s ANIMATED MOON MAP !MOON MAP !
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LACUS= lake
MARE = “sea”
SINUS= gulf”
OCEANUS=ocean
WHAT the LATIN NAMES MEAN
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2
CLICK above for TIDE CLICK above for TIDE movie !movie !
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Info and Info and diagrams about diagrams about tidestides
1TIDAL TIDAL BULGES on BULGES on earth earth
TIDES are caused when the earth’s seas are pulled outward by the gravitational forces of the MOON and SUN.
moon
Lunar eclipse .............. moon enter's Earth's shadow
Photo courtesy of Dennis diCicco.), Chapter 1, fig. 15; Thomas T. Arny, Explorations: an Introduction to Astronomy , McGraw-Hill
A lunar eclipse occurs when the Earth passes between the Sun and Moon, causing the Earth's shadow to fall on the Moon. Some sunlight leaks through the Earth's atmosphere casting a deep reddish light on the Moon. The photo inset shows what the eclipse looks like from Earth.
http://www.uccs.edu/~tchriste/courses/PES105/105lectures/105lecmotions.html
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ONE ROTATION of the earth on it’s axis = ONE DAYONE MOON CYCLE =about 29.5 DAYS, which should be ONE MONTH. 12 X 29.5 = 354 days, 11 days short of the real SOLAR CALENDAR, so Julius Caesar, with the help of Greek science, changed our months to 30 or 31 day months which no longer match the moon cycles. February was given only 28 days, or in leap years, 29.OUR YEAR is a SOLAR year. It takes the SUN 365.25 days to complete ONE REVOLUTION around the sun,. so each year = 365 days, with the additional time added up into ONE EXTRA day in February, every fourth year.
Click to the right forA history of time measurement
NIST Physics Laboratory Presentation : A Walk NIST Physics Laboratory Presentation : A Walk through TIME. The through TIME. The Evolution of Time Measurement through the ages