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How a Solar Eclipse Happens A total solar eclipse is a rare phenomenon with stunning visual effects. Many people are so eager to see this phenomenon when it happens since it can be considered as an extraordinary phenomenon. But, what causes this extraordinary phenomenon? Several things need to occur at once and ill a straight line to create a total solar eclipse. A total solar eclipse appears as the result of sequenced events. First, the moon orbits the Earth once a month and eclipse happens when it lines up exactly with the Earth and the sun. The moon must be exactly in the right size and distance to block the sun. An eclipse of the moon does not appear every month because the orbits of the moon and the Earth are sometimes tilted at an angle. Next, the sun, the moon, and the Earth need to line up in a straight line, with the moon between the sun and Earth. Finally, to see the full eclipse, you need to be standing in the correct spot on the Earth because not all of the sunshine is covered by the moon since its size is 400 times bigger than the diameter of the moon even though it's also 400 times farther away from us than the moon. Their different sizes and distances from the Earth make the sun and the moon appear the same size and when the moon is exactly in front of the sun, it seems covering the entire disc of the sun. Therefore, for some areas which are located exactly under those two things will be dark because the sunlight is blocked by the moon. When the moon passes in front of the sun at the daytime, it begins to cast a partial shadow (called the penumbra) onto the Earth. At the height of the eclipse, the sun's light is entirely blocked, and the moon casts a full shadow called the umbra. Source: http://www.englishiana.com/ Which sentence from the text is not a part of sequenced explanation? A. First, the moon orbits the Earth once a month and eclipse happens when it lines up exactly with the Earth and the sun. B. Many people are so eager to see this phenomenon when it happens since it can be considered as an extraordinary phenomenon. But, what causes this extraordinary phenomenon? C. Next, the sun, the moon, and the Earth need to line up in a straight line, with the moon between the sun and the Earth. D. Finally, to see the full eclipse, you need to be standing in the correct spot on the Earth because not all of the sunshine is covered by the moon since its size is 400 times bigger than the diameter of the Moon even though it's also 400 times farther away from us than the moon. E. When the moon passes in front of the sun at the daytime, it begins to cast a partial !ihadow (called the penumbra) onto the Earth.

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