1.
by the changing amounts of the Moon's sunlit surface that we see from Earth as it orbits the planet.
2.
Moon is between the Earth and the Sun, so the illuminated side is facing away from us, making it invisible.
3.
the Moon orbits, we start to see a thin sliver of
4.
illuminated surface, growing larger as it moves.
5.
of the Moon's visible surface is illuminated.
6.
than half, but not fully, of the Moon is illuminated, appearing as a larger, crescent-shaped portion.
7.
the full Moon, the illuminated portion decreases, but it's still more than half.
10.
of the Moon's visible surface is illuminated, on the opposite side of the first quarter.The illuminated portion continues to shrink, eventually becoming a thin sliver before returning to the new moon.
