Dear readers, thank you for reading my article in your busy schedule, this is an affirmation of my efforts, but also the motivation to continue to create, I would like to extend my most sincere respect to you, I hope to get one of you"Attention"Thank you!In movies, especially old ones, you can often see a meteoroid falling to Earth, plowing the Earth up, leaving behind a huge ditch with an irregularly shaped crater at the end of the ditch. However, in real life, all the craters found on Earth, as well as the craters we see on the Moon, are either circular or very close to circular.
Meteor crater from the movie "The End of the World". Meteoroids always fall to Earth at an angle, and they are usually so large that it is practically impossible for meteoroids to fall strictly perpendicular to Earth in a number of cases. Therefore, at first glance, the option of plowing in the event of a fall looks realistic, because this is exactly how the shells plow. But why are all craters round?If craters should be overwhelmingly majority, why don't we see noticeably elongated craters?
Behringer Crater, Arizona. The fact that the shape of the crater depends on the angle of incidence of the meteoroid is a myth;In fact, the angle of incidence of the celestial body will not affect the shape of the future crater in any way. This is due to the fact that the formation of craters is not the result of a meteoroid ploughing through and pushing through the Earth, but as a result of a strong ** that occurs on impact.
Meteoroids in outer space move at a very high speed and therefore carry a huge amount of kinetic energy. When it hits the earth's surface, the car experiences extremely rapid braking and with it, its kinetic energy is released quickly. It causes high energy**, forming a crater.
In this case, the shock wave travels almost evenly in all directions, and the impact creates circular dents on the planet's surface, the size of which is much larger than the size of the falling object itself. If the soil or rock surface at the site of the impact has an uneven structure, then this may have a slight effect on the propagation of the shock wave and the shape of the crater, but this effect is small and does not fundamentally change the shape of the impact crater. The shape of the crater.
In addition, some craters have a rather strange shape - a series of dents overlapping each other. Such craters are formed when the gravitational interaction of a planet or satellite with a flying cosmic body causes the object to be destroyed. After that, the debris falls to the surface in a dense form, forming a series of overlapping craters, forming a large crater with a strange shape.
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