• The gateway into climate.

    From kelleher.gerald@gmail.com@21:1/5 to All on Fri Mar 18 12:31:40 2022
    https://www.youtube.com/watch?v=I0wX0U1g6jA

    https://www.timeanddate.com/sun/antarctica/south-pole

    I haven't the values for the North pole sunrise, but as the Sun turns out of sight for 6 months at the South pole latitude, it comes into view at the North polar latitude for the next 6 months.

    The net daily rotation velocities at both poles is zero, hence the symmetry of effects where the Sun either comes into view or turns out of sight is a property of the orbital motion of our planet.

    https://hubblesite.org/contents/media/videos/1999/11/175-Video.html?news=true

    Although I only visit that conformation of two rotations acting in combination to cause the seasons around the equinoxes, it remains as lovely as all those years ago when I got the briefest glimpse of the resolution on one Saturday afternoon.

    It will be always there as a gateway into planetary climate.

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