Why does the earth-sun line of sight bend beyond the sun after a few centuries? The winter solstice appears to line up correctly with the segment between the earth and the sun.

Why does the earth-sun line of sight bend beyond the sun after a few centuries? The winter solstice appears to line up correctly with the segment between the earth and the sun.

DevOps reference: https://starrynight.unfuddle.com/a#/projects/7957/tickets/by_number/9875
Hi Ron,
Please send me an SNF file of this sim, with all the lines setup, etc.
ksmith at simcur dot com.
Thanks!
Hi Keiron,
The file is on its way.
I did not get the file, Ron. Thanks!
Nevermind, I found them! Thanks!