Looks innocuous enough at first glance right? Let’s zoom in on the problem:
These don’t go together. If the semicircle on the left is correct, then this is showing moon phases, and the symbol on the right should be of a gibbous moon:
If the cookie-with-a-bite-taken-out in the right is correct, then this is showing an eclipse, and the symbol on the left should be of a 50% partial eclipse:
It drives me crazy every time I look at it.
Would changing its name to “eclipse decoration” make it less infuriating?
Then the half eclipse would be wrong, 50% eclipse wouldn’t be a straight line across the diameter. An eclipse is two circles intersecting, not shadow sweeping across a sphere.
Considering that semi-circles are not part of an eclipse, no.