-this is the period between the new moon and the half moon.
-a thin crescent appears and can be seen in the sky
-a crescent phase appears to be bright on the right side.
right side is 1-49%
-it occurs one week after the new moon
-the Moon appears as a shining half-circle on the right side.
-the Moon has completed one-quarter of its orbit around the Earth,
Right side is 50 visible.