The peak of “Bursaries 2020” … next Tuesday


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The peak of «Bribes 2020» .. next Tuesday, today, Monday, August 10, 2020 05:34 am

The Perseid meteor shower reaches its peak activity this year from midnight on Tuesday, August 11, and during the hours before sunrise on Wednesday, in the skies of Saudi Arabia and the Arab region.

Perseids are considered one of the best meteor showers that are monitored annually. On average, they produce up to 60 meteors per hour, and there are expectations that this year will produce more than 100 meteors per hour, but in conjunction with that, the moon will be in the last quarter phase, which will cause the weak meteors to blur. Perseids are notorious for producing flashy meteors, but it is not known the actual number that will be monitored this year. Meteors are notoriously unpredictable, but the display is likely to remain good.

According to the Astronomical Society in Jeddah, in general, most of the annual meteor showers reach their highest rates when they pass the Earth through the meteorite remnants of comets and asteroids, and with those small pieces the size of pebbles colliding with the upper atmosphere around the earth at a high speed, they burn at an altitude of about 70 to 100 km and appear In the form of meteors, including Perseids meteors, and if it crosses our planet during a dense meteorite gathering, a high number of meteors will be detected, but it is not known if it will happen this year or not.

When tracking the paths of Perseid meteors, they will appear to rush in front of a group of Perseid stars, which is why they are called Perseids, knowing that there is no relationship between Perseid meteors and the Perseid meteor group, as it is just an orderliness in the sky from our perspective on Earth.

Sprinkled stars are several light years away from us, while meteors are burning in the upper atmosphere, and in the event that a meteor reaches the surface of the earth, it will be called a meteorite, but very few meteors become meteorites due to the nature of debris resulting from comets, so most of the stones Meteorites come from asteroids.

On the other hand, when determining the velocity and direction of the Perseids meteors, it is possible to know their path through the solar system and determine the body responsible for their production, which is the comet “Swift Total” discovered in 1862, which was the last time at the closest point to the sun in December 1992 and its next approach will be in July 2126. .

Comet “Swift Total” moves in a very elongated elliptical orbit, causing it to move beyond the orbit of the dwarf planet Pluto when it is at the farthest point from the sun, while it moves closer to Earth when it is at the closest point to the sun, and this orbit makes it take 133 years to complete a cycle One around the sun, and every time it passes through the inner part of our solar system, the sun’s heat heats the comet’s ice, causing matter to separate from it and scatter it along its orbit.

For the best observation of Perseid meteors, the observation should be after midnight by observing the eastern horizon from a completely dark location far from the lights of cities and not from the home, and the observer must give himself at least an hour to see a meteor after it reaches the monitoring site, and the human eye needs about 20 Accurate to adapt to darkness, no need to use special equipment to see meteors.

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