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This topic is offered for NewMars members who might wish to join Void in adding links and text to the Forum archive on this aspect of orbital mechanics.
The topic is inspired by Void posts about moons of Jupiter, including a link to work by Isaac Arthur, showing animation of tidally locked planets.
On Earth, our pronounced Axial Tilt gives us seasonal variations that enrich our lives today, and may well have contributed to our being here at all.
I would note that there is a difference between the axial tilt of an object with respect to it's orbit around a body other than the Sun, and it's tilt with respect to the Sun.
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Post #3: http://newmars.com/forums/viewtopic.php … 22#p229622
Calliban defined the measurements that are of interest for this topic.
(th)
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There are three sets of figures to be interested in for moons (1) Axial tilt to orbit around the planet; (2) Axial tilt to the planets orbit around the sun; (3) axial tilt of the planet's orbit to solar equator. The first two are what effects the angular position of the sun above the horizon.
"Plan and prepare for every possibility, and you will never act. It is nobler to have courage as we stumble into half the things we fear than to analyse every possible obstacle and begin nothing. Great things are achieved by embracing great dangers."
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