Earth Science Terms And Definitions

Earth Science Terms And Definitions-6
In this process, scientists publish their work so other scientists can repeat the experiment and further strengthen the reliability of results.Scientific fields are broadly divided into natural sciences (the study of natural phenomena) and social sciences (the study of human behavior and society).

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The temperature in the chromosphere rises from 6000 K to about 20,000 K, making it hotter than the photosphere but not as hot as the higher atmosphere, the corona.

This base layer of the sun's atmosphere requires more energy to heat than the million degree corona itself and provides all the material to the corona and heliosphere.

In more contemporary terms, science is a system of acquiring knowledge based on the scientific process or method in order to organize a body of knowledge gained through research.

Science is a continuing effort to discover and increase knowledge through research.

This region is notoriously tricky to study because one can't easily track the way light moves through it. It is filled with plasma, whose movements are governed by the tangle of magnetic fields surrounding the sun.

While the sun's surface is 6000K, the corona can reach up to millions of degrees, sparking questions from researchers on what mechanisms heat the atmosphere so dramatically.Solar flares and coronal mass ejections originate in the corona.Not to be confused with the intense burst of light that is a solar flare, a CME is a cloud of magnetized solar material that erupts from the sun's atmosphere, the corona, into interplanetary space.CMEs do often occur at the same time as a flare, and scientists currently study how the two phenomena are connected.At their largest, CMEs can contain 10 billion tons of matter, and they can move at speeds of up to 4 million miles an hour.It is created by the outflow of particles from the sun called the solar wind, which streams far past the outermost planets, six to nine billion miles away from the sun.Solar particles speed outward from the sun, pushing back the material in the rest of space, known as the interstellar medium.The material in the sun and its atmosphere -- as well as the material in the aurora and fluorescent lights -- are all plasmas.Plasma is a state of matter much like solid, liquid and gas.Just after blowing into space, a CME cloud can grow as wide as 30 million miles across, 35 times the diameter of the sun.The heliosphere is a bubble that surrounds our entire solar system as it travels through space.


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