Why this distinction with the left oright side on
which you'll place the "half moon" (which "half moon" when
eclipses actually occur either on full moons or new moons?) and
the Sun ???
Note that Solar eclipses occur normally during the day at
places where they are observable, but not necessarily at zeith
(midday) and the representation of the Earth relative to the
Sun, viewed from the side is in fact wrong: we should have a
"half Earth" and a blackspot on the light hald of the moon or
the light half of the Earth.
As well, looking an eclipse from the side (from space) you
will not see easily the eclipse occuring along the border of
the light half.
Given the meaning associated to the half moons used below
which imply specific periods at which eclipses can absolutely
never occur, I would not use these compositions at all.
Showing cones of shadows would be more explicit, but I
would only represent two discs partly covering themselves:
- For the solar eclipse, a dark "New Moon" (light gray)
passing in front of the bright solar disc and hiding it
partly. The Earth would not be repredented directly. A coronal
eclipse is also representable with some solar rays emerging
from one border.
The common perception of eclipses are the solar ones as
they occur only during the day. They will not necessarily
notice it if the solar eclipse occurs in the early morning for
them and the Sun is still low on the horizon and sur to the
diffusion of the solar light, by atmosphere, the eclipse willl
be difficult to see (the shadow will be much less black, the
effect will be similar to the presence of clouds on the
horizon, they will feel the sun is just a bit late to wake up
or is falling down a bit sooner and they won't feel the shift
of temperatures).
- For the lunar eclipse, a light blue Earth passing in
front of the full Moon disc (dark grey) on which the Earth
starts projecting a disc of shadow. The Sun would not be
represented directly
Note that many people ignore the fact of lunar
eclipses when they occur (this occurs by night anyway, most
people are sleeping. Many people don't know if we are in
times of new moons or full moons, the night may be blacker
than usual only because of clouds).