Happy winter solstice

I've noticed that wobble in the sunset times too.

Have we worked out a planetary motion reason for it yet?

 

I have, but it's a secret.
If I told you Zigs, I'd have to kill you afterwards,

 

Its simples, I think. Earth spins on an axis that is not perpendicular to the centroid of the orbit of the sun. That's why we have seasons.

A separate but related point is that contrary to popular belief, the solstices don't technically relate to the day when daylight hours and night time hours are equal, because that day differs depending on where you are in the world. Solstice is actually a precise moment in time. It is the moment that the sun is at 90 degrees to the equator on one of the two days of the year when there is a switch over between the bulk of one hemisphere facing the sun over the other. This year, apparently, it happened at 11:11 am but it can vary because of course our orbit wobbles (for lots of good reasons), and because the earth is actually wobbling on its own axis on a fixed oscillation but with a 'noise' element too.

Put these two points together, and it becomes abundantly clear why sunset time shifts ever so slightly out of synchronising with the solstice.

See, simple

 

Fracking

The magnets under the Swiss Alps

All the metals which have been dug up here and moved to there

To many people in one country

Balance

 

Apparently the Earth's wobble is noticeable if watching the Moon's orbit

 

I've become more aware of my wobble this week,
Jenny

 

For arguments sake, could it not be the moon wobbling?

 

You'll have to lay off the Christmas goodies Jenny.

 

naah

 

I don't even want to think about the bits of me that wobble

 

Is this the UK official Youtube to compete against South Koreas Gangman style 1 billion view Youtube

 

Well, i've watched the above vid, but not the other so yes

 

Here ya go zig ! Get riding