Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998fsam.conf...81r&link_type=abstract
From the Sun: Auroras Magnetic Storms, Solar Flares, Cosmic Rays, p. 81
Astronomy and Astrophysics
Astrophysics
1
Solar Flares, X Rays, Stability, Radio Emission, Magnetic Fields, Explosives, Ejection, Sunspots, Sun, Stretching, Strands, Stars, Solar Radio Emission, Solar Interior, Plasmas (Physics), Ignition, Astrophysics
Scientific paper
The Sun is constantly changing. Not an hour goes by without a rise or fall in solar x-radiation or radio emission. Not a day goes by without a solar flare. Our active star, this inconsistent Sun, this gaseous cloud that blows in all directions, warms the air we breathe and nourishes the food we eat. From Earth, it seems the very model of stability, but in space it often creates havoc. Over the past century, solar physicists have learned how to detect even the weakest of solar outbursts or flares. We know that flares must surely trace their origins to the magnetic strands stretched and tangled by the rolling plasma of the solar interior. Although a century of astrophysical research has produced widely accepted, fundamental understanding about the Sun, we have yet to predict successfully the emergence of any magnetic fields from inside the Sun or the ignition of any flare. As in any physical experiment, the ability to predict events not only validates the scientific ideas, it also has practical value. In astrophysics, a demonstrated understanding of sunspots, flares, and ejections of plasma would allow us to approach many other mysteries, such as stellar X-ray bursters, with tested theories.
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