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Surya Grahan or Total Solar Eclipse 2019: 9 Interesting Facts

Surya Grahan or Total Solar Eclipse occur when Moon blocks out the Sun and this is visible from the Earth's surface. On 2nd July, 2019, Total Solar Eclipse will be visible from Chile, Argentina and South Pacific Ocean. It will last up to4 minutes and 33 seconds. 9 interesting facts about Surya Grahan or Total Solar Eclipse is given to make you  understand better about Solar Eclipse.    
Jul 2, 2019 11:21 IST
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Surya Grahan 2019: 9 Interesting Facts
Surya Grahan 2019: 9 Interesting Facts

During Total Solar Eclipse, the Moon lines up the Sun, covering up the Sun causing a shadow known as umbra and in the day time it causes dark just like night. Total Solar Eclipse is a natural phenomenon and according to Hindu mythology it has its own impact on human body. It is said that during an eclipse the atmosphere of the Earth gets contaminated, therefore, some precautions should be taken to avoid any type of harmful side effects.

A total Solar Eclipse happens when the Sun, Moon and the Earth comes in a straight line in such a way that the Moon blocks the rays of the Sun from reaching the Earth. On 2 July, 2019 Solar Eclipse will be the longest total Solar Eclipse until 2027.

9 Fascinating facts about Total Solar Eclipse

1. Do you know why we experience Total Solar Eclipse? The distance of the Sun from the Earth is 400 times the Moon distance and the diameter of Sun is 400 times the diameter of the Moon. So, because of this coincidence, Total Solar Eclipse occurs in which Moon covers the whole Sun. Also, a Total Solar Eclipse is not noticeable until the Sun is more than 90 percent covered by the Moon. Amazing is that at 99 percent coverage, daytime lighting resembles like a local twilight.

2. The longest duration of the Total Solar Eclipse can be 7.5 minutes. This time on 2nd July the duration will be around 4 minutes and 33 seconds which will be the longest until 2027. Let us tell you that 2nd July, 2019 Total Solar Eclipse will be nearly twice as long as the Total Solar Eclipse of 2017. Every year there are between 2 and 5 solar eclipses. Generally, the width of the path of totality is at most 167 miles wide.

3. For the astronomers, 2 July, 2019 is the greatest eclipse ever. Do you know that at the tip of Cerro Pachon Mountain various astronomical observatories are located including Gemini South as a part of Cerro Tololo Observatory? In fact the future Large Synoptic Survey Telescope will also be located here. In total three world class laboratories will experience the totality of the Solar Eclipse on 2nd July, 2019.

Total Solar Eclipse 2019: All you need to know about Surya Grahan

4. The shadows of the Eclipse travel at 1,100 miles per hour at the equator and up to 5,000 miles per hour near the poles. Only, partial solar eclipses can be observed from the North and the South Poles. It is said that once every 1.5 years, total solar eclipse happen.

5. What is Saros Cycle? It is said that nearly identical eclipses that is total, annual or partial occur after 18 years and 11 days or every 6,585.32 days of Saros Cycle.
Saros Cycle takes 18 years and 11 days for the entire orbit of the Moon to process once around in its orbit plane so that the lunar nodes make one complete revolution along the orbit. This cycle is equals nearly an integer number of lunar month that is 223x29.53 days = 6,585.32 days during each Saros cycle. So, the true length of the Saros Cycle is 6,585.32 days. So, you have to wait Three Saros Cycles in order for an eclipse to repeat at the same spot on the Earth.

6. To view an eclipse is extremely dangerous for astronomical equipment. The mirrors of the telescope have a special coating but are designed to measure and focus extremely faint amount of light. A small amount of exposure to direct sunlight could entirely destroy the downstream equipment and the coatings on the primary and secondary mirrors.

7. What is a Hybrid Eclipse? It is a rare type of solar eclipse that changes its appearances as the moon's shadow moves across the surface of the Earth. It is said that the next hybrid eclipse will occur on 20 April, 2023 and can be seen from Australia, Papua New Guinea and Indonesia. Another will be seen from Panama and parts of the Pacific Ocean on 14 November, 2031.

8. During total Solar Eclipse temperature may drop over by 20 degree Fahrenheit or 12 degree Celsius. The longer duration of the eclipse will help us to see the Sun's extended corona. The corona of the Sun is 10,000 brighter than the new Moon.

9. Every eclipse begins at sunrise at some point in its track and ends at sunset about half way around the world from the start point. Partial solar eclipses can be seen up to 3,000 miles from the track of totality. During the total solar eclipse local animals and birds often prepare themselves for sleep or behave in a confuse manner.

So, these are some interesting and fascinating facts about Surya Grahan or Total Solar Eclipse.

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