Arab weather - Sinan Khalaf - the expected annular solar eclipse this week, although it will not be seen in our Arab region, but it is of interest to amateur astronomy around the world.
Astronomical calculations indicate that the annular solar eclipse will occur next Thursday, July 10 of this week, and it will be visible only in the far east of Russia, the Arctic Ocean, western Greenland and Canada, and the partial eclipse will be seen from it in the northeastern United States, Europe and most of Russia, and the eclipse will not be seen. in our Arab region.
To answer this question we must initially clarify how this solar eclipse in general, Vksov sun phenomenon astronomical occur in the event of the presence of the Earth and the moon and the sun on the line straightening one, so that the moon passes between the Earth and the sun managed to keep the sun 's rays from reaching the ground , either entirely or partial, in an astronomical phenomenon known as an eclipse .
A partial solar eclipse occurs when the Earth, the Moon and the Sun are aligned on a straight line, and the Moon begins to pass in front of the Sun, blocking its rays from the Earth, but the Moon’s shadow is too small to cover the whole Earth, and therefore what happens to most people on Earth is that they fall in the partial Moon’s shadow, Where the moon can only block a small part of the sun’s rays from them, and this is called a partial eclipse , and a partial eclipse may block a quarter of the sun’s disk, or half, or any part of it less than complete, and it may last for several hours.
In the small spot on the Earth's surface in the full moon's shadow, a total solar eclipse occurs. During this eclipse, the moon's disk will pass completely in front of the sun's disk, and then the entire sky will be darkened as if it were night, and the solar corona, which is the outer atmosphere of the sun, will appear. This eclipse lasts for less than five minutes, and then returns as a diminishing partial eclipse until the moon completes its transit in front of the sun.
An annular solar eclipse is a phenomenon astronomically similar to a total eclipse, but with a small difference. When the annular eclipse occurs, the moon is farther from the Earth than usual, or the Earth is closer to the sun than usual, or both, and therefore the sun appears slightly larger than its usual size, while The moon looks a little smaller. Thus, when the moon’s disk crosses in front of the sun, it cannot completely obscure it, even though it is located exactly in front of it. Rather, a ring of its rays remains around it, hence the name annular eclipse , and it lasts for almost the duration of the total eclipse.
Hybrid solar eclipse A hybrid solar eclipse is called a total annular eclipse, which occurs when the moon is within an area close enough to reach the Earth, and a hybrid eclipse usually begins as an annular eclipse, and then completes to become completely.
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