888.
Take the measure of the sun at the solstice in mid-June.
889.
WHY THE SUN APPEARS LARGER WHEN SETTING THAN AT NOON, WHEN IT IS NEAR TO US.
Every object seen through a curved medium seems to be of larger size than it is.
[Footnote: At A is written sole (the sun), at B terra (the earth).]
890.
Because the eye is small it can only see the image of the sun as of a small size. If the eye were as large as the sun it would see the image of the sun in water of the same size as the real body of the sun, so long as the water is smooth.
891.