2024-07-26 17:08:00
Gabriel Borderes-Motta, aerospace bioengineering researcher at UC3M, said that through a study, “it was calculated that Apophis There will be a 2% chance of hitting Tila” and noted that “collision is not the only possibility in this type of approach event.
Scientists from the Carlos III University of Madrid (UC3M) and the Small State University of Paulista Giulio de Mesquita (UNESP) in Brazil analyzed the surface and characteristics of the object in the journal Monthly Notices of the Royal Astronomical Society.
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The lower percentage is due to gravitational interactions between planets and objects, e.g. Apophis It could change the shape of the asteroid, break it up, break up rocks that might be on the asteroid’s surface, and even eliminate other celestial bodies orbiting the asteroid.
The challenge in space exploration is that in most cases it is not possible to conduct experiments directly with space materials. Therefore, a lot of research is done from the fields of mathematics and physics, taking into account as many variables as possible.
In this sense, Gabrielle Bordnes-Motta explains “The team conducted numerical simulations to predict how particles orbiting the asteroid would react to different situations and how they would affect Apophis’ behavior”.
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The experts used a disk of 15,000 particles of different sizes from an environment close to an asteroid as a sample. The first set of simulations were designed to consider only gravity perturbations Apophis 30-year 24-hour period, while the second includes perturbations produced by solar radiation pressure. In both cases, three scenarios for asteroids with different densities were proposed.
Asteroid Apophis “We consider a 340-meter polyhedron with uniform density in three different cases. In each case, we start with a different particle density, from highest to lowest,” Borderes-Motta points out.
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From these representations it can be concluded that the inclination of the celestial body is greater at low density (4°) than at high density (2°); moreover, the lower the density of the particles, the higher the pressure of solar radiation, keeping intact There are fewer particles.
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