Powers of Ten Poster
Table 8.5 Items to illustrate when making Powers of Ten posters
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distance
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Comparison (approximate)
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Increasing size ®
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distance
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Comparison
(approximate)
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100 m
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Distance from floor
to door knob
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1026 m
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Radius of observable
universe
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10-1 m
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Width of hand
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1025 m
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Distance to the 3C273,
brightest quasar
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10-2 m
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Width of fingernail on
smallest finger
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1024 m
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Distance to the nearest
large supercluster
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10-3 m
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Thickness of a U.S.
dime
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1023 m
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Distance to galaxies
beyond our local group
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10-4 m
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Length of a dust mite
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1022 m
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Distance to Andromeda
Galaxy
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10-5 m
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Diameter of human red
blood cells
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1021 m
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Diameter of the disc of
the Milky Way
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10-6 m
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Diameter of small
bacteria
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1020 m
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Diameter of the Small
Magellanic Cloud
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10-7 m
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Length of a virus
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1019 m
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Approximate thickness
of the Milky Way
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10-8 m
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Thickness of bacteria
flagellum
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1018 m
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Diameter of a typical
globular cluster
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10-9 m
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Width of DNA helix
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1017 m
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Distance from Earth to
Vega
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10-10 m
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Width of ice or quartz
cell
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1016 m
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Inner radius of Oort
cloud
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10-11 m
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Radius of a hydrogen
atom
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1015 m
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100 ´ diameter of the Solar System
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10-12 m
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Wavelength of X-rays
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1014 m
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10 ´ diameter of the Solar System
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10-13 m
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Wavelength of an
electron
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1013 m
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Diameter of Solar
System
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10-14 m
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Diameter of a nucleus
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1012 m
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Distance from Sun to
Saturn
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10-15 m
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Diameter of a proton
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1011 m
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Distance from Sun to
Venus
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10-16 m
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One tenth the diameter
of a proton
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1010 m
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One half the distance
light travels in a minute
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10-17 m
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One hundredth the
diameter of a proton
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109 m
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Diameter of the Sun
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10-18 m
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Radius of an electron
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108 m
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Diameter of Saturn
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107 m
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North Pole to equator
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106 m
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length of California
(north to south)
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105 m
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Length of Connecticut
(north to south)
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104 m
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Depth of Mariana
Trench, deepest point
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103 m
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One kilometer; 2.5
times around a track
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102 m
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One side of a running
track
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101 m
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Distance for a first
down in football
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100 m
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Distance from floor
to door knob
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