Four views of the Earth as seen from the camera
pointing downward from above the north pole.
In these images the Earth is rotating with a stationary Sun
How Sundials Work
Part: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
This is here for the convenience of members of the BSS while the content is being transferred to the new site.