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it doesn't there is just a shadow on the moon giving the appearance that it changes.

The moon does not change its shape, it is always a spheroid. It is the angles of a triangle formed by the sun, moon, and earth that change and affect which half of the moon is in sunlight and how much of that part is visible from earth. When this triangle is almost a straight line with the sun and moon on opposite sides of the earth you can see all of the lighted area and the moon is round (full moon). When they form an equilateral triangle, i.e. the sun is setting when the moon is at 60 degrees in the western sky, you see a semi-circle because only half of the side facing earth is lighted.
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15y ago

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Related Questions

When do you see full moon?

On average a full moon occurs every 29.53 days but it can be 29 days or 30 days hence the average.


How long does it take for the moon to get light?

The Moon has no light of its own, it shines because the Sun's light is illuminating it. It takes the light from the Sun about 8 minutes to reach the Moon and 1.27 seconds to bounce off the Moon to your eyes. As the Moon orbits the Earth every 27 days, there are 27 days between one Full Moon and the next.


A full moon happens once each day?

No. There are 29.5 days between full moons.


How many time in a month do you see a new moon?

Every two weeks there abouts. A full moon is every 27-28 days but a half moon is every 14 days but if you want to know about just the time the half is on the right side then that is once every 27-28 days.


About in 30 days after the new moon what happens?

About 29.53 days after the New Moon, another New Moon occurs.


What happens 14 days after a full moon?

Basically, 14 or 15 days after full moon you have new moon.


What happend to the other side of the moon in half moon day?

Nothing happens to the other side of the Moon in half moon days. The reason we do not see the whole Moon is because only half of it is reflecting the light from the Sun.


What event happens about once every month in the solar system?

The moon orbits the earth about once every month, thus each phase of the moon - full moon, new moon, waning half moon, waxing half moon, etc. - occurs about once each month. It's not exact - the moon takes about 28 days and most months are longer than that by a few days.


Is full moon every 6 weeks?

full moon is every 27.5 days


The moon goes through a complete phase cycle about every?

The moon goes from new moon to full moon back to new moon about every month.


What happens to vampire when they see moon light?

Nothing happens.


If the sun is shining on half of the earth does the moon shine on the other half?

Not always. The Sun is always shining on half the earth, and when there is a full moon no part of the back side of our moon is shining.The only time that happens is for a split second every 27-28 days when the new moon happens.