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Volume 17 -- Issue 7
Above the Solar System -- July 2011

Name July 06 July 16 July 26
Mercury 196o 52' 228o 38' 256o 37'
Venus 076o 03' 092o 12 108o 23'
Earth 283o 37' 293o 09' 302o 41'
Mars 048o 19' 053o 54' 059o 22'
Jupiter 024o 45' 025o 40' 026o 35'
Saturn 196o 55' 197o 15' 197o 34'
Plot planet positions using polar graph paper or the provided activity sheet.

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.

Terrestrial Planets in Motion at 5 day intervals - July 2011
Above the Terrestrial Planets - July 2011