The semi-circle shape can be the 1st or 3rd quarter.
Perhaps you would want to double check, but I believe that if the "flat" side of the shape is facing to the left, that is the 1st quarter; to the right - 3rd quarter.
A week after the Full Moon the Moon looks like a semi circle again, this phase is called ''Third Quarter''
What ? Anything can be smaller than a semi-circle, depending on the size of thesemi-circle. Anything can also be bigger than a semi-circle, if the semi-circle issmall enough. The question is peculiar.
The phase where the moon looks like a semicircle is called the "first quarter" or "last quarter," depending on its position in the lunar cycle. In the first quarter phase, half of the moon's surface is illuminated and visible from Earth, appearing as a right half. In the last quarter phase, the left half is illuminated. Both phases showcase a semi-circular appearance of the moon.
First Quarter is when you can see the right half. Waxing Crescent is a crescent on the right side. New Moon is black. Waning Crescent is on the left side. Third quarter is when you see the left half. Waning Gibbous is when the left two thirds to three quarters is visible. Full Moon is the entire moon. Waxing Gibbous is the right two thirds to three quarters.
-- Each meridian joins the north and south poles, making it a semi-circle. -- The center of the circle of which it is a semi is at the center of the Earth, making it a 'great' one. Among parallels of latitude, only the equator is a great circle.
A week after the Full Moon the Moon looks like a semi circle again, this phase is called ''Third Quarter''
A week after the Full Moon the Moon looks like a semi circle again, this phase is called ''Third Quarter''
Third quarter moon.
Third quarter moon.
Third quarter moon.
May Be Gibbous.
The phase of the moon is called a first quarter or last quarter moon when it appears as a semi-circle. This occurs when the moon is at a 90-degree angle relative to the Earth and the Sun, resulting in half of the illuminated side facing Earth.
A week after the new Moon, when half of the Moon's face is illuminated, it is called the First Quarter phase. During this phase, the Moon appears as a semi-circle, with the right half lit up in the Northern Hemisphere. This occurs as the Moon moves in its orbit and more of its surface becomes visible from Earth.
Half a circle is called a semi-circle. Sometimes it is called a half-moon.
A half moon appears as a semi-circle shape in the sky, with one side visible illuminated by the sunlight while the other side remains dark. It is the phase of the moon when it is halfway between a new moon and a full moon.
semi circle
half moon