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Volume 17 -- Issue 2
Above the Solar System -- February 2011

Name Feb 6 Feb 16 Feb 26
Mercury 273o 02' 302o 49' 339o 00'
Venus 197o 06' 213o 12 229o 13'
Earth 136o 50' 146o 57' 157o 01'
Mars 316o 20' 322o 38' 328o 58'
Jupiter 010o 59' 011o 54' 012o 49'
Saturn 191o 59' 192o 19' 192o 39'
Plot planet positions using polar graph paper or the provided activity sheet.

This is 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 — February 2011
Above the Terrestrial Planets - February 20110