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A computer graphic investigation
of a possible mechanisim for the
origin of planetary motion
Russell Lowke
CSCIE-236, Final Project, May 25th 2005
Physical Model
Assume
Ejected Planet
• Sun has a large magnetic field B
• Sun and Planet have net electrostatic charges
• Planet ejected from Sun at a large velocity, similar to a
Solar Flare
Forces on a planet
Gravitational
M sun M planet
Fgravity  G
2
d

Forces on a planet
Electrostatic
qsunqplanet
Felectrostati c 
4d 2

Forces on a planet
Magnetic
Fmagnetic  j  B

Magnetic force is
perpendicular to the motion
of the planet, causing the
planets motion to curve
Bsun

j planet
Fmagnetic

Sun’s magnetic field
• For ejection from the north pole of the sun, magnetic field is parallel to
motion of planet, so there is no curving force.
• For ejection at equator of sun, magnetic field is perpendicular to motion of
planet, so there is a strong curving force, creating the possibility of an
orbiting planet.