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Paper Plate Education
"Serving the Universe on a Paper
Plate"
Activity: Orbit by Elongation
Determine the orbits of the inferior planets using the
values of their greatest elongations. On
the perimeter of a plate, which defines the orbit of earth, label the months of
the year. At the center mark the
sun. Make a card that
indicates the position of the planet relative to the earth and sun at greatest
elongation. Given the
greatest elongation values for the inferior planets for a few years, mark the
positions of the respective planets as seen from the earth on the given dates.
Contributed
by Chuck Bueter as a variation of a Project STAR activity.
GLPA Proceedings, 1999,
p. 37.
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