León, Gto., a 16 de marzo de 2018.- With the question, what is the universe? The conference entitled "The Great mysteries of dark matter and dark energy" was initiated by Dr. Luis Arturo Ureña López, a researcher-professor at the Physics Department of Campus León of the University of Guanajuato (UG), in which he explained the work the scientific community carries out to know more about the universe, the way in which it is explored at the present time and how the development of the technology has allowed to carry out research to understand the phenomena that occur in the galaxies.

In León's Science Center "Explora", Dr. Luis Arturo Ureña had an appointment to bring science closer to middle school students from the state of Michoacán. He commented that a small percentage of all the matter known so far as planets, stars, subatomic particles and other elements only correspond to 4% of the existence of the universe, another 22% to dark matter and the remaining 74% belongs to dark energy.

For the above, he noted "dark matter and dark energy are the great mysteries of science, both are speculative and allow the cosmological models to work, besides permeating the entire universe and its effects are only detectable at large scales".

In this sense he commented that the universe is composed of energy and matter, in which you can see different celestial bodies that are formed from different elements and "the way to know more about them is to create technology like artificial satellites that have been put into orbit, however, dark matter does not emit enough radiation to be seen. "

During his speech, Dr. Ureña highlighted the scientific advances that have been achieved as the discovery of the existence of the gravitational waves envisaged by Einstein in his theory of relativity, progress with which it is sought to know information on the stellar evolution and the most extreme events, such as black hole collisions, as well as being expected to better determine what the future of the universe will be.

In this topic he commented in an interview that "it was a very important discovery, a final check that Einstein's theory of relativity is correct and that besides that it will allow us to see the universe with other eyes" he concluded.

Finally, he expressed the importance of approaching young people, arousing interest in science and contributing to the emergence of new scientists.

As part of the activities a tour of the temporary exhibition took place; which recognizes the work of the researcher of the Division of Sciences and Engineering of the UG who received the Research Prize of the Mexican Academy of Sciences in the year 2014 in the category of Exact Sciences. This exhibition refers to the concepts and lines of research in which the scientist works.

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