Activity 7: Extraterrestrial Tourism
©2014 W. W. Norton & Company, Inc.
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Post-7.1: Each dash represents 0.2 AU from the central
star. Which letter indicates a location 2 AU from the
central star?
a. A
b. B
c. C
d. D
©2014 W. W. Norton & Company, Inc.
e. E
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Post-7.1: Each dash represents 0.2 AU from the central
star. Which letter indicates a location 2 AU from the
central star?
a. A
b. B
c. C
d. D
©2014 W. W. Norton & Company, Inc.
e. E
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Post-7.2: Each dash represents 0.2 AU from the central
star. Which letter indicates a location 4 AU from the
central star?
a. A
b. B
c. C
d. D
©2014 W. W. Norton & Company, Inc.
e. E
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Post-7.2: Each dash represents 0.2 AU from the central
star. Which letter indicates a location 4 AU from the
central star?
a. A
b. B
c. C
d. D
©2014 W. W. Norton & Company, Inc.
e. E
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Post-7.3: Each dash represents 0.2 AU from the central
star. Distance of 1.6 AU would fall between which two
letters?
a. A and B
b. B and C
c. C and D
©2014 W. W. Norton & Company, Inc.
d. D and E
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Post-7.3: Each dash represents 0.2 AU from the central
star. Distance of 1.6 AU would fall between which two
letters?
a. A and B
b. B and C
c. C and D
©2014 W. W. Norton & Company, Inc.
d. D and E
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Post-7.4: Here a planetary system where every planet is
of the same diameter and completely flat. All planets
keep the same side facing their star at all times during
their orbits. True or false: The planet at 1 AU receives
twice as much flux as the one at 2 AU.
a. true
b. false
©2014 W. W. Norton & Company, Inc.
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Post-7.4: Here a planetary system where every planet is
of the same diameter and completely flat. All planets
keep the same side facing their star at all times during
their orbits. True or false: The planet at 1 AU receives
twice as much flux as the one at 2 AU.
a. true
b. false
©2014 W. W. Norton & Company, Inc.
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Post-7.5: Here a planetary system where every planet is
of the same diameter and completely flat. All planets
keep the same side facing their star at all times during
their orbits. True or false: The planet at 4 AU receives
1/16 as much flux as the one at 1 AU.
a. true
b. false
©2014 W. W. Norton & Company, Inc.
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Post-7.5: Here a planetary system where every planet is
of the same diameter and completely flat. All planets
keep the same side facing their star at all times during
their orbits. True or false: The planet at 4 AU receives
1/16 as much flux as the one at 1 AU.
a. true
b. false
©2014 W. W. Norton & Company, Inc.
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Post-7.6: Here a planetary system where every planet is
of the same diameter and completely flat. All planets
keep the same side facing their star at all times during
their orbits. True or false: The planet at 3 AU receives
1/3 as much flux as the one at 1 AU.
a. true
b. false
©2014 W. W. Norton & Company, Inc.
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Post-7.6: Here a planetary system where every planet is
of the same diameter and completely flat. All planets
keep the same side facing their star at all times during
their orbits. True or false: The planet at 3 AU receives
1/3 as much flux as the one at 1 AU.
a. true
b. false
©2014 W. W. Norton & Company, Inc.
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Post-7.7: Here are two Earth-like planets. The larger planet has a
radius four times as large as the smaller planet, but it is only onehalf as massive as the smaller planet. How would your weight on
the larger planet compare to your weight on the smaller planet?
a.
b.
c.
d.
32 times as much.
1/32 times as much.
1/16 times as much.
8 times as much.
©2014 W. W. Norton & Company, Inc.
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Post-7.7: Here are two Earth-like planets. The larger planet has a
radius four times as large as the smaller planet, but it is only onehalf as massive as the smaller planet. How would your weight on
the larger planet compare to your weight on the smaller planet?
a.
b.
c.
d.
32 times as much.
1/32 times as much.
1/16 times as much.
8 times as much.
©2014 W. W. Norton & Company, Inc.
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This concludes Activity 7: Extraterrestrial
Tourism
©2014 W. W. Norton & Company, Inc.
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