This Mosaic spans a slice of space that is equal to about a third of the diameter of the full moon (10 arc minutes).
这些镶嵌的空间切片的跨度相当于一个满月直径的三分之一(10弧分)。
3
Blackburn's formula does this by sketching the arc of your car's turning capability into a full circle, then using the center of the circle to create the right-angle triangles Pythagoras loved.