The moon is a full circle during a full moon. A full moon is also the only time a lunar eclipse can occur.
No
No, ringworm does not always have to appear in a circular shape. It can present in various shapes and sizes on the skin.
The orbit of the Moon around the Earth is not perfectly circular: its distance to the Earth (actually the Earth centre) varies from 405 696 km to 363 104 km. Obviously the Moon will appear bigger when it is at its closest. This is particularly noticeable when it coincides with a full Moon.
It will appear as a Gibbous moon (3/4 of a full moon).
Yes, because the moon orbit is not circular it is ovular.
Penumbra
'circular'.
The orbital
it would still appear to rotate
it would still appear to rotate
No, the moon's orbit is elliptical with an eccentricity of about 0.55
because the moon and sun are so far they appear to be moving.