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What state has an arc of a perfect circle?
At the moment of a lunar eclipse... the state when the earth, moon and sun are in direct alignment with each other. Details: At night, when a full moon is in the sky, and when the sun is directly behind the earth in line with the moon, and the shadow of the earth is projected onto the moon's surface.... "The earth together with its surrounding waters must in fact have such a shape as its shadow reveals, for it eclipses the moon with the arc of a perfect circle."~Nicolaus Copernicus. A similar effect can be observed during an annular eclipse of the sun, when the moon comes between the earth and the sun, obscuring the sun except for a bright ring of sunlight around the circumference.
Does a moon have line rotational symmetry?
Yes it does. when tilted it has the same symmetric line.
How many lines of symmetry does a half moon have?
A half moon has one line of symmetry. This line of symmetry divides the half moon into two equal halves that are mirror images of each other. The line of symmetry runs vertically through the center of the half moon, allowing both halves to be perfectly reflected across it.
The position of a coastal area during a low tide?
It is on a side of Earth that is perpendicular to the moon.
What is a real life example of a locus?
it can be like the earth round the sun, the moon round the earth, the lines in the middle of a road, anything that's a constant distance away from something.
Why is it an imaginary line from earth to the moon?
it's a segment.
Why is the line a segment from earth to the moon?
It is a segment because it has two end points, point A and point B.
What is the name of the imaginary line the moon rotates on?
The imaginary line that the moon rotates on is called its axis.
Does the moon have a equator?
Yes, the moon has an equator. It is an imaginary line around its surface equidistant from its poles, similar to Earth's equator.
What imaginary line does the moon rotate around earth?
It's "axis" is probably the answer, but the question doesn't make complete sense.
Why doesn't a lunar eclipse happen every time at full moon?
The full moon is rarely 100% full. Typically, the Earth is close enough to an imaginary line from the sun to the moon that the moon appears full, but is not actually.
Does the moon have a north and south pole?
Tides are greatest at places on earth where the moon (and the sun) pass directly over. At the right time of year, when the moon and sun basically follow the equator, there will be no tides at the poles. At other times there will be some, though very little tidal action at the poles.
When the earth the moon and the sun are in line what can occur?
When the Earth, Sun and Moon are in line an eclipse can occur.
Does the moon have equaters?
An equator is simply an imaginary line across the middle of the planetoid. So yes, the moon has an equator.
Does the moon have an axis?
Yes, the moon does have an axis of rotation, which is slightly tilted relative to the plane of its orbit around the Earth. This tilt causes variations in sunlight received on different parts of the moon's surface, leading to the formation of different lunar phases.
What is the arrangement of earth the moon and the sun of a lunar eclipse?
Sun, Earth, Moon. The moon is covered by the Earth's shadow.
What is it when the moon and earth are exactly in line?
The moon and earth are always exactly in line; any two points define a line. When the earth moon and sun are all exactly in line, that is different. When this happens it is either a solar eclipse or it is a lunar eclipse.
