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Old March 20th 18, 03:04 PM posted to sci.astro.amateur
Gerald Kelleher
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Default The Equinox defined

The recent rapid rise in celestial sphere descriptions of the Equinox can be in equal measure troubling as it is amazing by virtue that imaging has been manipulated to show a pivoting circle of illumination and our planet with a zero degree inclination (celestial sphere intellect) -

https://apod.nasa.gov/apod/ap170319.html

Multiple newspaper and magazine articles today now carry this dismal description allied with the misuse of the EPIC satellite which shows a planet with a zero degree inclination -

https://epic.gsfc.nasa.gov/


Even with unfamiliarity, the rotational inclination denoted by the North and South poles are always 66 1/2 degrees in respect to the orbital plane and equidistant to that plane at all times from the Equinox to the Solstice and back again -

https://en.wikipedia.org/wiki/Deep_S...-tilt-23.4.gif

We all participate in the surface rotation which will cause the Sun to appear at the North polar latitude in a number of hours and the Sun to turn out of view at the South pole for 6 months. This orbital surface rotation makes it appear that the Sun rises dead East and West but by inspecting the actual inclination for the September Equinox and assigning a mirror image for the present March Equinox , it allows daily rotation more freedom in determining the seasons by breaking the shackles of a 'tilting' Earth.

This is all new so no fuss is going to be made one way or another but do people really want to go down the pivoting circle of illumination route which is a dishonor to astronomy or indeed the ability of people to reason things through ?.