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Because as it moves round the Earth, and the Earth moves round the Sun, the way it is positioned in the shadow of the sun changes how it looked. So if the moon was on one side of the Earth, and the sun was on the other, the sun would block out the moons light with its shadow.

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14y ago

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Why does the moon apper to change shape as it orbits the earth?

Because of the relative positions of the earth, sun and moon.


Does the Moon's shape change or does how you see it change?

What changes from days to day is the amount of sunlight we see on the moon. As the moon orbits the earth and the earth orbits the sun, the sun hits the moon at a different angle in relation to the earth.


What shape does the moon orbits the earth?

The moon orbits the earth almost a complete circle.


Does t moon really change its shape?

of course, cheese can be in any shape you'd like


Why does the moon appear to change shape as it orbits the earth?

Because the light from the sun reflects of the moon so when the moon orbits the sun which means you can only see the part of the moon that has light reflecting off it


Why does the moon appear to change shape in the night sky?

The moon appears to change shape in the night sky because of its position relative to the Earth and the Sun. As the moon orbits the Earth, different portions of its illuminated surface are visible from our perspective, creating the phases of the moon.


Why does the shape of the moon seem to change?

The moon reflects sunlight and it orbits out planet, Earth, so we see the reflected sunlight at different angles on the moon, causing the appearance of the moon to change.


How and why the moon change it shapes?

The Moon only seems to "change shape". We only see one side of the Moon from Earth. The variation in the amount of sunlight hitting that side of the Moon, as it orbits Earth, is why we see the apparent changes in shape. These changes are called "lunar phases".


The why does moon appears to change shape as it orbits the sun?

The moon does not orbit the sun directly. The moon orbits the earth which orbits the sun (otherwise our moon would technically be called a dwarf planet).The reason the moon changes appearance when the earth orbits the sun is that a certain times the earth is partially or completely blocking the sunlight and will therefore cast a shadow onto the moon (as viewed from earth).The crescent shadow you see on the moon is actually earth's shadow.


What causes the moon Moon to seem to change shape?

The moon looks like it changes shape because as it orbits the Earth and we only see one side of the moon, sunlight hits the part of the moon that we see at different angles - therefore making the moon "change shape". We also can only see the sunlit side of the moon from Earth and that is also another factor to the moon's apparent shape.


How does the moon look from day to day?

The moon appears to change shape due to its position relative to the Earth and the Sun. This change in appearance, known as the moon's phases, occurs because we see different portions of its illuminated surface as it orbits Earth. The cycle of moon's phases repeat approximately every 29.5 days.


Does the absolute positions of the moon and earth and sun change as the moon orbits the earth?

yes