Contact:
my vitae,
vitae,
, and
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Some of the vector illustrations I've made over the years,
and continue to craft, for my introductory astronomy courses.
Some are simple, some are more sophisticated,
and I merely peek over the ankles of giants.
Most of the illustrations shown in a scalable vector grapics (svg) format;
click to get a vector graphics pdf version.
GPS
gps_1_sphere
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gps_2_sphere
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gps_3_sphere
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gps_box
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gps_code
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gps_perfect_timing
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gps_satelite1
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gregorian_calendar_change
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sphkernel
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