One of the most exciting scientific enterprises and successful of NASA, is the exploration of our own world, Earth. How does the Earth system? How do they affect each other oceans, continents and the atmosphere? What is the role of mankind in the future of our environment? For better or for worse, we are part of ecosystem earthling! Looking down from space platforms, gives researchers Earth Sciences at NASA, a perspective that enables them to analyze these issues globally. Knowledge will increase as facts replace those beliefs. Science @ NASA brings, updated to the minute, what is happening in the Programme of Earth Sciences at NASA. Ticks cause Lyme disease and other diseases, but finding these little bugs (blood sucking) using the hands can be unpleasant and dangerous. Now there's a better way: via satellite. The terrestrial gamma ray flashes (DRGT) storms are born at about the same height where commercial airplanes fly. Are these explosions dangerous gamma radiation for air passengers?. 29 January: Firefly The mission will study the terrestrial gamma ray flashes - There is a mystery in the skies of Earth, something is occurring gamma radiation beams at the top of the atmosphere of our own planet. A new mission of NASA, NSF, called Firefly (Firefly), I will investigate. December 17: Auroras in collision produce bursts of light - A network of all-sky cameras, which has the extension of a continent, has photographed a phenomenon never seen before: auroras that collide and produce bursts of light. The images pins have solved a long-standing mystery about the Aurora bore. December 11 is presented, in Copenhagen, the new portal "Climate One Stop" - This week, the Climate Change Conference, which takes place in Copenhagen, researchers presented a unique web site that collects and organizes data State of the time so that they can be available to q. October 6: The Fall of the Maya: "They themselves the occasion" - Archaeologists are using NASA satellites and supercomputers to solve the mystery of ancient Mayan civilization. New findings suggest that they may have played a key role in the downfall of their civilization. August 21: NASA goes to sea - the most famous organization to explore the vast boundaries of the space has been exploring some of the vast beaches of the Earth, and the results may help protect them.
The Earth Sciences and Geosciences are all the disciplines that study the internal structure, surface morphology and the dynamics and evolution of planet Earth. It is a particular case of planetary sciences in general deals with the study of planets in the Solar System. The main characteristic of the science of the earth relative to other branches of science is that, when dealing with the past, present and future of a large object at a human scale, its study is limited to observations that we usually do on their surface (or close to it) and now, that is, we are bound to study a 4D object, the Earth, since only two of its dimensions. Earth sciences sciences are therefore traditionally limited by the difficulty of obtaining data, although it should be noted that in recent years, technological developments in the field of information science has made possible a breakthrough in the amazing possibilities of a scientific understanding of our planet ever greater and more precise. In addition, the enormous space-time dimensions of the structure and history of the Earth makes the processes that take place there are results from a complex interaction between spatial scales that may vary from millimeter to the thousands of kilometers and time scales ranging from hundredths of a second to the billions of years. An example of this complexity is the different mechanical behavior that some rocks are based on processes that are studied: the rocks that make up the upper mantle respond elastically to the passage of simian waves (with typical periods of fractions of a second), respond as a fluid in the time scales of plate tectonics. Another example of the wide range of temporal frequencies on Earth is climáticotiempo change ranging from the millions of years to years, which found the scales characteristic of the weather change. In general, it is difficult to design an experiment that could explain the process studied, so that similar techniques or computational simulation are very useful. The Earth Sciences are a tool to plan a rational exploitation of natural resources, understanding the causes of natural phenomena that affect humans and how human nature influences their actions. On the other hand, are the way to understand natural processes that have threatened the life of man, and his study is linked to the prevention of seismic risk, weather and volcanic. yyy .. The earth sciences are in constant evolution. The geography of the eighteenth century only described the elements of the Earth's surface without linking them through the process, since it is not attached importance to the dynamics of change and interaction with the elements of the environment. It was in the nineteenth century when he gave structure to the earth sciences, which served for the conquest and exploitation of natural resources on all continents. Text is available under the Creative Commons Attribution ShareAlike 3.0, additional terms may apply. See Terms of Use for more information.

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