pic of the day - moon

I have always thought that it is more obvious that the moon is a sphere when it is less than full. A full moon could easily be a disk.

If you have only lived in one hemisphere, you may not have realised that in the northern hemisphere the moon waxes from right to left, whereas in the southern hemisphere it waxes from left to right. Unlike the swirling of water as it goes down a drain (which appears to happen in both directions in both hemispheres), I have seen this with my own eyes.

I found that kind of weird when we first moved to the UK. To me, the moon looked upside down.