![]() ![]() ![]() If you are in geosynchronous orbit away from the equator you still hover over the same spot on the planetary surface all the time.Stuff in orbit doesn't change orbital inclination spontaneously.You can change orbital inclination easily.Planetary gravity can be approximated to a point source for purposes of calculating orbital dynamics.Planets have magnetic poles that approximate their rotational axis.Planets have a diurnal period precisely 86,400 Earth seconds long.Planetary ring systems are picturesque, not dangerous.Suns are good, too, the more the better!.Some planets have a breathable atmosphere but no waterĬommon blunders in cosmology, planetography, orbital mechanics, and related.Deep carbon cycle, subduction, ionosphere UV splitting of water, long-term terraforming stability: why worry about little things like that?.Plate tectonics is easily ignored, unless the plot requires a Volcano/Earthquake.Oceans are small, land-locked, and mainly useful for fishing.Coriolis force, trade winds, cyclones, what are those?.The same plants and animals can be found everywhere on a given planet. ![]()
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