Selasa, 09 Agustus 2011

The Sun has its largest solar flare in years!

Today our Sun had one of the largest solar flares witnessed in many years!

What is a solar flare?
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"A solar flare is a sudden, high-energy explosion of energy that extends out to the Sun’s corona, or outermost layer of atmosphere. They are caused by a build-up of magnetic energy and occur in areas of strong magnetic fields around the equator of the Sun".

What are the effects of a solar flare?
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"The occurrence of a solar flare can have many different effects on Earth as well as on our space explorations. The hard x-rays emitted from a flare, as well as bursts of highly charged protons called proton storms, can do damage to both astronauts and spacecraft. Soft x-rays enter Earth’s ionosphere and can disrupt radio communications."

source:http://www.howitworksdaily.com/news/what-is-a-solar-flare/

"In a matter of just a few minutes solar flares  heat material to many millions of degrees and produce a burst of radiation" (source:http://www.esa.int/esaSC/SEMHKP7O0MD_index_0.html ). For more information about today's solar flare please click on the following link which will take you to an article entitled, "Sun Unleashes Largest Solar Flare in Years" ,at the www.space.com website: http://www.space.com/12580-sun-unleashes-major-solar-flare.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+spaceheadlines+%28SPACE.com+Headline+Feed%29&utm_content=Google+International

Here is a NASA Video which shows the solar flare occurring on the Sun today:

source:NASA SDO


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