| Name |
December 11 |
December 21 |
December 31 |
| Mercury |
182o 43' |
217o 13' |
246o 09' |
| Venus |
196o 58' |
213o 04 |
229o 05' |
| Earth |
079o 20' |
089o 31' |
099o 42' |
| Mars |
308o 16' |
314o 31' |
320o 48' |
| Jupiter |
071o 59' |
072o 52' |
073o 44' |
| Saturn |
213o 49' |
214o 08' |
214o 27' |
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Plot planet positions using polar graph paper
or the provided activity sheet.
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This uses a coordinate system which allows for the plotting of a planet
position along its orbital path using degrees (0o to
360o) of heliocentric longitude. Once plotted the orbital position
of one planet could be compared with that of another planet. Or the
relative orbital speeds of an inner planet could be compared with
that of an outer planet.
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