bit of administration …
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Bit of Administration …. Reading BSNV Chap. 12 Homework 9 Due Friday, April 23, in box by Mathieu office door (6522) Sterling Portfolios Due Wednesday, April 28 Can turn in each one any time for quick turnaround on grade Lab 3 Due Wednesday, April 28 - PowerPoint PPT PresentationTRANSCRIPT
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Bit of Administration ….Bit of Administration ….• ReadingReading
– BSNV Chap. 12BSNV Chap. 12
• Homework 9Homework 9– Due Friday, April 23, in box by Mathieu office door (6522) SterlingDue Friday, April 23, in box by Mathieu office door (6522) Sterling
• PortfoliosPortfolios– Due Wednesday, April 28Due Wednesday, April 28– Can turn in each one any time for quick turnaround on gradeCan turn in each one any time for quick turnaround on grade
• Lab 3Lab 3– Due Wednesday, April 28Due Wednesday, April 28– Problem 5, HW 1 is a good starting point for the lab questionsProblem 5, HW 1 is a good starting point for the lab questions– Note typo in Question 3 - “Jupiter” => “Saturn”Note typo in Question 3 - “Jupiter” => “Saturn”
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Jovian PlanetsJovian Planets
•Jovian WeatherJovian Weather
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Jovian PlanetsJovian Planets•Jovian WeatherJovian Weather
Jupiter emits 2x the energy it receives from the Sun!Jupiter emits 2x the energy it receives from the Sun!
Infrared VisibleInfrared Visible
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Jovian PlanetsJovian Planets
• (Jovian) Weather Patterns(Jovian) Weather Patterns
•Essential Idea - Essential Idea - Atmosphere made up of high- and low-pressure systemsAtmosphere made up of high- and low-pressure systems High - Bulges in atmosphereHigh - Bulges in atmosphere Low - Depressions in atmosphereLow - Depressions in atmosphere
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Jovian PlanetsJovian Planets
• (Jovian) Weather Patterns(Jovian) Weather Patterns
HighHigh
LowLow
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Jovian PlanetsJovian Planets
• (Jovian) Weather Patterns(Jovian) Weather Patterns
•Essential Idea - Essential Idea - Atmosphere made up of high- and low-pressure systemsAtmosphere made up of high- and low-pressure systems High - Bulges in atmosphereHigh - Bulges in atmosphere Low - Depressions in atmosphereLow - Depressions in atmosphere
Atmosphere flows from high to lowAtmosphere flows from high to low
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Jovian PlanetsJovian Planets
• (Jovian) Weather Patterns(Jovian) Weather Patterns
• Essential Idea - Coriolis EffectEssential Idea - Coriolis Effect
NN
L
L
H
H
N
S
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Why does the ball travel in a circle and come back to him? Why does the ball travel in a circle and come back to him?
A) Gravity provides a central force.A) Gravity provides a central force. B) The merry-go-round puts a sideways spin on it.B) The merry-go-round puts a sideways spin on it. C) The merry-go-round goes half-way around during the ball’sC) The merry-go-round goes half-way around during the ball’s travel.travel. D) The merry-go-round is sloped, and higher in the center.D) The merry-go-round is sloped, and higher in the center.
ConcepTest!ConcepTest!
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Jovian PlanetsJovian Planets
• (Jovian) Weather Patterns(Jovian) Weather Patterns
• Coriolis EffectCoriolis Effect
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Jovian PlanetsJovian Planets
• (Jovian) Weather Patterns(Jovian) Weather Patterns
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Jovian PlanetsJovian Planets
•Jovian WeatherJovian Weather
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Jovian PlanetsJovian Planets•Jovian Magnetic EnvironmentJovian Magnetic Environment
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Jovian PlanetsJovian Planets•Jovian Magnetic EnvironmentJovian Magnetic Environment
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Jovian PlanetsJovian Planets•Jovian Magnetic EnvironmentJovian Magnetic Environment
Radio Wave EmissionRadio Wave Emission
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Jovian PlanetsJovian Planets•Jovian Magnetic EnvironmentJovian Magnetic Environment
Size of Size of Rotation Rotation Magnetosphere Magnetosphere Period Period
Mercury 10Mercury 1044 km 58 days km 58 days Venus 0 km 243 days Venus 0 km 243 days Earth 10Earth 1066 km 1 day km 1 day Mars 0 km 1 day Mars 0 km 1 day Jupiter 10Jupiter 1077 km 0.4 days km 0.4 days
LiquidLiquidMetallicMetallicInteriorInterior
?? YesYes YesYes NoNo YesYes
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Jovian PlanetsJovian Planets•Jovian Magnetic EnvironmentJovian Magnetic Environment
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Jovian PlanetsJovian Planets
• Jovian Magnetic EnvironmentJovian Magnetic Environment
• Essential Idea - Dynamo Mechanism for Magnetic FieldEssential Idea - Dynamo Mechanism for Magnetic Field
• Electrical Current => Magnetic FieldElectrical Current => Magnetic Field
• Rapid rotationRapid rotation• Liquid metallic coreLiquid metallic core• ConvectionConvection
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Would you expect the Moon to have a significant magnetic field? Would you expect the Moon to have a significant magnetic field?
A) No, because it does not have a convective core. A) No, because it does not have a convective core. B) No, because it is not rapidly rotating.B) No, because it is not rapidly rotating. C) No, because of A and BC) No, because of A and B D) Yes, because it has a convective core.D) Yes, because it has a convective core. E) Yes, because it is rapidly rotating.E) Yes, because it is rapidly rotating.White) Yes, because of A and BWhite) Yes, because of A and B
ConcepTest!ConcepTest!
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Jovian RingsJovian Rings
SaturnSaturn
NeptuneNeptune
JupiterJupiter
UranusUranus
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Jovian RingsJovian Rings• SaturnSaturn
Cassini’s DivisionCassini’s Division
AA BBCC
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Jovian RingsJovian Rings• SaturnSaturn
70, 000 km across …. 20 m thick!70, 000 km across …. 20 m thick!
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Jovian RingsJovian Rings• SaturnSaturn
S
AB
RedshiftRedshift
BlueshiftBlueshift
Velocity AVelocity A >> Velocity BVelocity B
Keplerian!Keplerian!
EarthEarth
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Jovian RingsJovian Rings• SaturnSaturn
Snowflakes (few microns) to Boulders (10 m)Snowflakes (few microns) to Boulders (10 m)