On Saturday, July 22, 2023 at 3:31:52 PM UTC+2, His Royal Hineyness wrote:
On Sat, 22 Jul 2023 05:46:42 -0700 (PDT), Gerald Kelleher <kellehe...@gmail.com> wrote:
Seeing no contributors here have expressed the slightest interest in Venus passing between the slower-moving Earth and our parent star at the centre of the inner solar system, a transit can now be put in proper context as it transitions from left to
right of from an evening to morning appearance as seen from the surface of a rotating Earth-
https://www.youtube.com/watch?v=w2uCtot1aDg
The dull would have a transit every hundred years or so and come in pairs so now it can be reduced to about 18 months with the unique tracking satellite with its focus on the Sun and giving permanent eclipse conditions.
I'm interested in seeing the transit, but it's hard to get excited
about an "upcoming transit" that won't occur until 2117. I am sorry I
missed viewing the last one in 2012.
Society can see a transit now that the direct/retrograde motion of Venus is accounted for using an older framework than that of Ptolemy which the original Sun-centred researchers were obligated to use. The annual change in the position of the stars from
left to right and parallel to the orbital plane defines the orbital motion of the Earth and sets the Sun up as a stationary reference for the transit of Venus between the Sun and the slower-moving Earth.
"Now what is said here of Jupiter is to be understood of Saturn and Mars also. In Saturn, these retrogressions are somewhat more frequent than in Jupiter, because its motion is slower than Jupiter's, so that the Earth overtakes it in a shorter time. In
Mars they are rarer, its motion being faster than that of Jupiter, so that the Earth spends more time in catching up with it. Next, as to Venus and Mercury, whose circles are included within that of the Earth, stoppings and retrograde motions appear in
them also, due not to any motion that really exists in them, but to the annual motion of the Earth. This is acutely demonstrated by Copernicus" Galileo
My partitioning of direct/retrogrades depending on whether they move faster or slower than the Earth, the first since Copernicus accounted for the direct/retrogrades of the slower-moving planets, is already out in the open in a poorly explained way by
someone else.
The upcoming transit should rightly be called out in advance given that the satellite itself may no survive for another 18 months until the next transitioning of Venus from left to right as it overtakes the slower-moving Earth.
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