The universe has an approximate date of 13 million years, and for centuries scientists have always tried to find what are the causes why this structure was formed. Currently, the most accepted theory for the origin of the universe is called the Big Bang explosion. As a result of this phenomenon, various materials were generated, resulting in different types of planets, stars, constellations and other structures found within the universe. The latest discoveries that have been found from various explorations throughout the universe have been able to verify that it is expanding and subject to various changes during this process. In this article, we will talk about the structure of the universe and how it is formed.
How the Structure of the Universe that We Have Was Created?
The universe is defined as that structure organised by various groupings of galaxies at different scales, which are made up of different components. The structure of the universe is subdivided into other smaller structures. The smallest is, among others, the planets and even the solar system in which we find ourselves. The largest are the galaxies, where there are millions of stars or millions of other galaxies.
In the history of science, there have always been certain limitations, which do not allow us to study the universe in its entirety. In modern cosmology, it is about studying the origin and evolution of the universe as we know it. However, we are still experimenting with new methods to make it possible to discover new elements within the structure of the universe. There are several devices, such as ground-based and other space telescopes that have made it possible to observe galaxies and other components of the cosmos.
It is known that most of the invisible elements found within the structure of the universe are called dark matter. Like these and others, they are the result of heat radiation that is still generated by the Big Bang. This seems to be the answer to various doubts that until recently were the object of study by scientists, such as radiation and how the large-scale distribution of galaxies occurs.
The universe contains everything that exists up to our knowledge. All the celestial bodies or elements that are in it move by the effect of gravity. This is an attractive force generated by each of the bodies, which can even attract smaller ones.
The Elements of the Universe
The study of the structure of the universe and the elements that compose space is the object of study of astronomy. There are different types of structures: some larger than others. The general structure of the universe is understood as a system made up of a diverse number of elements organised by scales. Here planets, systems, galaxies, satellites, stars and other elements meet, which have unique characteristics.
Galaxies are part of the structure of the universe and are recognised because they usually have a black hole at their centre. There are galaxies of various types, classified according to their shape, which is spiral, elliptical, lenticular, and irregular. Some galaxies may not be integrated into large systems. At least 50 galaxies have been identified, which have an average diameter of 6 million light-years. For example, the Milky Way is made up of many 40 galaxies so far identified.
Also, the universe is made up of stars, which are defined as masses made up of gases like hydrogen and helium. These are identified thanks to the fact that they have their light.
Similarly, there are a diverse number of planets; some are known and explored, while others have not yet been identified. These celestial bodies revolve around their axis and the stars. Besides, they depend on their field of gravity. Some planets are accompanied by satellites, which revolve around the planets. Such is the case of the moon around planet earth. The union of all these elements forms a system, which has its gravitational field.
Clusters are the union of several galaxies. For example, The Milky Way is one of these clusters. It happens that clusters can be made up of up to a thousand galaxies. Surprisingly, the gravity that holds them together, in theory, shouldn’t be able to. Dark matter is thought to be what generates the gravitational force necessary for it to occur.
These same larger clusters are called superclusters of galaxies. Recently, even larger structures have been found, which are called walls. For example, the great wall of Hercules is a set of galaxies that share the same field of gravity.
Other minor structures, which are also part of the structure of the universe, are meteors, which are pieces made up of rock of spatial origin and different types of metals. These elements collide with the planets. But before they can touch the surface, they begin to disintegrate as they pass through the atmosphere. Instead, meteorites are remnants of material of space origin that cannot disintegrate in the same way.
Nebulae are accumulations of gas and dust. Comets are characterised by being covered with ice, which revolves around a star. When they get close to the stars, the ice that covers them through a process called sublimation begins to transform into a gas. Therefore, they have the traditional shape with which they are known; their orbits lengthen as they advance.
Still, more elements and other minor structures that are also immersed within the universe continue to be found as studies continue. Also, since the universe is constantly expanding, it can be said that it is still possible to find new planets or galaxies.