Sunday, May 12, 2013


Astrophysics and Cosmology


Stephanie Rodriguez


One of the topics I am most interested in physics are cosmology and astrophysics. Astrophysics and Space Physics have been some of the most active fields in recent years, thanks in large part to the huge burden of observational data has provided the HUBBLE Space Telescope. The Hubble Space Telescope, also known as orbital telescope Hubble is a telescope that orbits outside the atmosphere, in a circular orbit around the Earth at 593 km above sea level, with an orbital period between 96 and 97 min.

The stars and the galaxy is one of the areas that catch my attention. Study the different constellations and their stories or legends is something very interesting. How do you think the universe was created? How the planets were created? What is Galaxy?, We be the only living beings in the universe? How are the stars really if we saw them up close? and other questions are constantly passing through my head. It's hard sometimes to think the idea that we are the only beings alive in a universe so immense. The stars apart from their beauty often have interesting stories and the galaxy is so huge and has so many things to learn that their study is a bit complicated, but fun for me.

The term astrophysics refers to the study of the physics of the universe. Astrophysics is a science experimentally, in that it is based on observations, and theoretical, because it makes assumptions on physical situations not directly accessible. Another big area of astrophysics investigation consists in studying the physical characteristics of the stars. This part I would say it is the most interests me because as I mentioned before I love the theme of stars and most know their physical characteristics.

Astrophysics also studies the composition and structure of matter interstellar gas and dust clouds that occupy large areas of space and that once were considered absolutely empty. Astrophysics research methods are also applied to the study of planets and minor bodies of the solar system, of which the composition and structure, thanks to research conducted by artificial satellites and space probes, it was possible to achieve a deep understanding, which many cases has allowed ancient beliefs change. Here we can see the importance of this science by allowing us to learn more about the planets and our solar system. Can these sciences help us know if there is life on other planets? I think that can help us know if a planet has a composition that would allow any living creature to survive, but confirm the existence of this perhaps takes a bit more work and would need combinations of different branches of science.

The other part that I refer is cosmology. This is a little more unknown by the people, but no less important. The cosmology is the study of the universe as a whole, which includes theories about its origin, its evolution and other things. Its scientific study of the universe is not the only science that we need to understand his origin; we also need another science to achieve understanding this. It is necessary to involve physics, astronomy, philosophy, esotericism, and religion.

Cosmology is divided into several other sub-themes or theories of creation of the universe, but among these the most interesting to me is the "Big Bang Theory". The central idea of the Big Bang is that the theory of general relativity can be combined with observations of isotropy and homogeneity of large-scale distribution of galaxies and the position changes between them, allowing the Universe extrapolate conditions before or after the time. We know that the creation of the universe is a mystery to many people and a very interesting topic, as there are different theories and no fully guaranteed. The different views and types of scientists have created a number of theories about the creation of the universe. While you get one that is completely true, keep you busy and entertained us getting new theories or confirming some.

This is a brief summary of what is and investigate both astrophysics and cosmology. If we know are sciences that not everyone knows, but we can see the importance of them and how interesting it is to learn about them, what they study and what they can teach us. The stars, galaxies, the universe, the planets, are one of the few subjects including physics. Definitely read up on this and go slowly knowing is very important and helps us begin to understand a little more the origin and composition of our planet, the universe, among other things.

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