ECCENTRICITY OF LIFE
Saturday at the Senior Center: the Winter Market
In other news, Venus is visible in the morning . . . & the sun is lower on the northern hemisphere horizon, just in case you didn’t notice, and comes through the windows of the studio in a noticeably different angle. Daylight here at toMake™ studio is 9 hours and 29 minutes with the sun rising at 7:35am MST.
The sun transits at 12:20pm MST not at noon as you might imagine. Because we live so far west (6 minutes into the into the PST) in the Mountain Standard time zone our clocks are 36 minutes behind of sun time. Think of it like this; it takes 36 minutes after noon for the sun to be directly overhead in the south.
But that would mean that the transit (LMT) would occur at 12:36pm MST. The earth does not revolve around the sun in a circular orbit, but an elliptical one, sometimes going faster and sometimes slower around the sun . . . so the eccentricity of earth’s orbit means that the Equation of Time (EOT) is +15min 52sec fast today and this results in Local Time (LT) noon being at 12:20pm MST (12:00+ 36min - 16min =12:20).
An analemma is a diagram showing the variation of the position of the Sun in the sky over the course of a year, as viewed at a fixed time of day and from a fixed location on the Earth. The north–south component of the analemma is due to change of the Sun's declination caused by the tilt of the Earth's axis, and the east–west component is due to nonuniform rate of change of the Sun's right ascension, governed by combined effects of axial tilt and Earth's orbital eccentricity. The diagram has the form of a slender figure eight, and can often be found on globes of the Earth. WIKI.
Running now necessitates more cloths and careful footing on the frozen and often icy trails. Like this morning; a 6-8 knts headwind in the canyon made the 23˚F feel decidedly colder. The river remains open but most of the standing water along the trails is frozen now. Post-election recovery the bulletin board in the alleyway has returned to “normal.”
Out and about in downtown Missoula ? Stop in at The Runners Edge on Higgins a block north of Broadway and see “The Way Across”.
The Way Across: on display at the Runners Edge in downtown Missoula