Brief introduction of Perseid meteor shower and its formation reasons?

Learn about Perseid Meteor Shower with Bian Xiao! Perseid meteor showers are not only numerous, but also almost never miss the starry sky in summer. It appears stably at a fixed time every year and is the most active and frequently observed meteor shower. It is also the best meteor shower for amateur meteor observers, ranking first among the three periodic meteor showers in the whole year.

Perseids meteor shower (Perseids) is a meteor shower with the radiation point near the Perseid gamma star, also known as Perseids gamma meteor shower. It appears from July 20th to August 20th every year, and reaches its climax in August 13. Together with quadrant meteor shower and Gemini meteor shower, it is called the three major meteor showers in the northern hemisphere.

It is not only rich, but also almost never misses the starry sky in summer. It appears stably at a fixed time every year. It is the most active and frequently observed meteor shower, and it is also the best meteor shower for non-professional meteor observers, ranking first among the three periodic meteor showers in the whole year.

The cause of Perseid meteor shower is related to comets, which are spheres made of ice and sand. When a comet approaches the sun, it will sublimate the surface substances due to the heat of the sun. These sublimated substances are future meteoroids. During the comet's orbit around the sun, some meteors will leave the comet and stay in its orbit. Due to the solar pressure and planetary forces, meteors will continue to spread away from each other, and the range will gradually increase.

When the orbit of the earth intersects with the orbit of the comet, the meteor will break into the earth's atmosphere and burn under the action of the earth's gravity. The bright flame produced when burning is the meteor shower that people see. If there are many meteoroids scattered in the orbit of the comet, meteor showers caused by meteoroids produced by the comet can still be seen within a few years after the comet returns.

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