Electromagnetic Spectrum: Remote Sensing Ices on Mars...Dec 19, 2011 · Electromagnetic Spectrum:...
Transcript of Electromagnetic Spectrum: Remote Sensing Ices on Mars...Dec 19, 2011 · Electromagnetic Spectrum:...
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LIVE INTERACTIVE LEARNING @ YOUR DESKTOP
December 19, 2011
Electromagnetic Spectrum:Remote Sensing Ices on Mars
Presented by: Rudo Kashiri
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AGENDA
• Product overview:Buried Water Ice on Mars
• NASA Connection: Mars Odyssey Spacecraft Phoenix Mars Mission
• Featured lesson: Buried water ice on MarsRemote sensing ices on marsRemote sensing with gamma rays
• NASA Explorer Schools
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BURIED WATER ICE ON MARS
• Middle and high school• Physical and Earth science • National Science Standards
– Structure and properties of matter– Interaction of energy and matter
• Guided and open inquiry • Use real data from Mars• Lessons include: Teacher guide, Student guide,
Multimedia presentations
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Students learn how scientists use remotesensing data to draw conclusions about thephysical and chemical nature of planets.
LESSONS:• Why Follow the Water• Remote Sensing Ices on Mars• Dirty Ice or Icy Dirt• Mars Exploration Debate• Dirty Ice Snowcones
OBJECTIVE
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Let’s Pause for Questions.
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NASA MARS SCIENCE STRATEGY
Geology
Life
Climate
Prepare for Human Exploration
W
A
T
E
R
“Follow theWater”
Image Credit: NASA/JPL
When • Where • Form • Amount
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2001 MARS ODYSSEY
Instruments:Thermal Emission Imaging System or THEMIS; mineralogyGamma Ray Spectrometer or GRS; elemental compositionMartian Radiation Environment Experiment or MARIE; space radiation
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REMOTE SENSING
Mars Odyssey Spacecraft
Phoenix Mars Mission
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DISAPPEARING ICE
Sublimation of ice in the trench informally called "Dodo-Goldilocks" over the course of four days.
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What does the map tell about Mars?(Write answer in the chat)
A
B
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Let’s Pause for Questions.
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LESSON IN DETAIL
MATERIALS• Student Guide (1 per student) • Computer with projector, or overhead with
transparency • Computers (extension) Optional:• 1 clear pitcher with liquid water and water ice • 1 thermometer
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OBJECTIVES
Compare maps of Mars showing different types of data to characterize the types of ice at the polar regions of Mars during different seasons. Data:– Visible albedo– Surface temperature – Elemental composition
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ICE PROPERTIES• Phase change• Molecular structure• Frost point temperature• Sublimation
BACKGROUND READING
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What do you think the white areas are?
QUESTION[Answer in chat area]
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TYPES OF LIGHT
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Northern Winter Northern Summer
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What is the surface temperature of the ice cap during the winter?
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GAMMA RAY DATA
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Remote Sensing Ices On MarsStudent Guide
Remote Sensing Ices On MarsStudent Guide
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VISIBLE DATA
B
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What is the South Pole Arctic Cap composed of?Substance Frost point Temp.Water -75°CCarbon Dioxide -123°C
Ammonia -200°C
Season Temp CompositionSouth PoleWinter
Around-125°C
South PoleSummer
Around-125°C
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Let’s Pause for Questions.
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Remote Sensing Ices on Mars
Objectives: Students explore an online simulator to learn more about how gamma rays that are produced at the surface of Mars are used to determine the composition of the surface.
EXTENSION ACTIVITY
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TYPES OF LIGHT
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http://grs.lpl.arizona.edu/curricula/animation/101805_Version_FINAL/gammaProject4.html
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How do the composition of soils compare?
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How do the composition of soils compare?
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Let’s Pause for Questions.
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http://explorerschools.nasa.gov
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Video Collection
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http://explorerschools.nasa.gov
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Water Filtration
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