When the sun sets in the eastern hemisphere, it takes place at a specific time and location.
However, the phenomenon can occur anywhere in the world.
In the southern hemisphere, the moon sets at a different time and spot and the Earth’s rotation is slowed.
In Canada, it is only at night when the moon passes between the Earth and the sun.
What makes these phenomena different from one another?
Some astronomers say the difference is the moon.
The moon is a relatively small body in the sky that orbits Earth.
So, it doesn’t make a difference that the moon is in the east or west, according to Professor Peter Ritchie from the University of Alberta in Edmonton.
In fact, there are some theories as to why the moon has this effect.
“We know that it is due to the gravitational pull of the Earth, the Moon, Mars and Mercury,” he said.
“When the moon makes an orbit around the Earth it actually creates a force between Earth and its moon, so the force creates an area of the moon that is at a certain latitude.
So the moon will make an orbit in that particular region of the sky, and that will cause the Earth to be at a particular position in relation to the moon.”
That position is called the equator.
Professor Ritchie said the same phenomenon can also occur in the night sky, where the Earth is closer to the Sun than in the day.
He said that in some parts of the world, the stars are seen to move as they move in the same direction and the moon moves with the Sun.
“The Moon is really a small planet, so it is much more concentrated than it is in other parts of our solar system,” he explained.
“And that’s why it has a different behaviour, that’s a different type of effect.
But what is important is the fact that it’s not just the Earth.
It’s also the Moon and Mercury that cause it.”
When does the Earth rotates?
“It happens every day,” Professor Rickey said.
He added that the Moon has this role to play as well.
“If the Earth has no moon, it will be quite cold and it will have no effect on the rotation of the planet, but if the Earth does have a moon, then that is a little bit different.
So we have to look at the sun, which is actually quite stable at night and when it is bright, that is the sun,” he added.
Professor David Bader from the US National Center for Atmospheric Research said that when the sun goes below the horizon, the Earth goes towards the Sun, creating a “super moon” effect.
The effect is similar to the one that occurs when the Moon is closest to the Earth during the day, but the Earth will be closer to it in the evening.
“It’s very similar to what happens when the Earth comes into contact with the sun during the full moon phase,” he told ABC News.
“So we have the sun coming into contact, the sun is bright and then we have an eclipse, which occurs when it’s still bright and the Sun’s still coming into the Earth.”
What is the difference between the Moon’s and Earth’s equatorial positions?
“The Earth is really quite close to the Moon,” Professor Bader said.
However if there is a moon there will be a very small difference in the amount of sunlight reaching the Earth from the moon compared to when there is no moon.
“At that point in time, there’s no sun.
It has just been bright enough that it has been illuminated by the light of the sun to give us a small amount of light and we don’t see much of the Sun,” he noted.
“But at that point, there will have been some light from the sun reaching the Moon.
But that’s only because there was an eclipse and the Moon was still bright.
So there is still a little amount of solar light coming into and going out of the Moon.”
How does the moon affect us?
The Earth and Moon are in their orbits.
When the Earth orbits the Sun the Moon moves with it, and when the Sun is far away from the Earth the Moon takes a different path.
Professor Baser said the Moon could have the same effect on us, as well as the Earth itself.
“A lot of people think that the Earth doesn’t move at all.
But the moon does.
If the Earth was at rest, there would be no Earth tides, and therefore there would not be an Earth rotation, so that’s one way to think about it,” he suggested.
Professor Ian McAllister from the National Astronomical Observatory of Japan said that there is something called the Moon Effect, which describes the effect of the lunar cycle on Earth.
“Moon cycles are a great influence on our climate, the climate of the oceans, the oceans of the atmosphere, the atmosphere of the planets,” he stated.
“These are all factors that influence our weather and our weather in the Earth system.” How