Download - LECTURE 11, SEPTEMBER 30, 2010
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ASTR 101-3, FALL 2010 1
LECTURE 11, SEPTEMBER 30, 2010
ASTR 101, SECTION 3INSTRUCTOR, JACK BRANDT
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ASTR 101-3, FALL 2010 3
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Which of these is TRUE about the seasons on Uranus?
Question 8a) Its strange tilt produces extreme seasonal
variations.b) With its tilt of 29°, Uranus has four seasons
similar to those on Earth.c) It never shows any weather in its bland clouds.d) It spins so fast all seasons are the same.
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Which of these is TRUE about the seasons on Uranus?
Question 8a) Its strange tilt produces extreme seasonal
variations.b) With its tilt of 29°, Uranus has four seasons
similar to those on Earth.c) It never shows any weather in its bland clouds.d) It spins so fast all seasons are the same.
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Jovian planets share all of the following traits EXCEPT
Question 2
a) a low-density gaseous core.b) large magnetic fields.c) lots of hydrogen & helium gas.d) many moons.e) differential rotation.
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Jovian planets share all of the following traits EXCEPT
Question 2
a) a low-density gaseous core. b) large magnetic fields.c) lots of hydrogen & helium gas.d) many moons.e) differential rotation.
All of the jovian planets have dense, compact cores more massive than Earth, surrounded by liquid and gaseous layers.
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Question 1
Both Jupiter and Saturn
a) have liquid metallic hydrogen in their interiors.b) have rings.c) emit more energy than they absorb from the Sun.d) rotate very rapidly.e) All of the above.
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Question 1
Both Jupiter and Saturn
a) have liquid metallic hydrogen in their interiors.b) have rings.c) emit more energy than they absorb from the Sun.d) rotate very rapidly.e) All of the above.
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Saturn radiates even more excess energy than Jupiter because
Question 6
a) Saturn is still radiating heat left over from its formation.
b) Saturn’s thick cloud layer contributes to a larger greenhouse effect.
c) helium rain gives off heat as it falls toward Saturn’s center.
d) Saturn’s atmosphere contains methane. e) Saturn can fuse hydrogen into helium in its core,
like the Sun.
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Saturn radiates even more excess energy than Jupiter because
Question 6
a) Saturn is still radiating heat left over from its formation.
b) Saturn’s thick cloud layer contributes to a larger greenhouse effect.
c) helium rain gives off heat as it falls toward Saturn’s center.
d) Saturn’s atmosphere contains methane. e) Saturn can fuse hydrogen into helium in its core,
like the Sun.
Jupiter and Neptune also radiate excess heat, most likely left over
from their formation.
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Question 9
The magnetic fields of which two planets are most unusual?
a) Jupiter and Neptuneb) Jupiter and Saturnc) Jupiter and Earthd) Saturn and Earthe) Uranus and Neptune
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Question 9
The magnetic fields of which two planets are most unusual?
Both Uranus and Neptune have fields that are off-center, and very inclined to their rotation axes.
a) Jupiter and Neptuneb) Jupiter and Saturnc) Jupiter and Earthd) Saturn and Earthe) Uranus and Neptune
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