Solar Flares

A solar flare is a sudden eruption of energy near the sun's surface. It causes a burst of brightening over sections of the surface.

783 Questions
Solar Eclipses
Solar Flares

Is sun stable or not?

Our Sun is a stable star but, that's not the way things will always be. In about 6.4 billion years from now the Sun's Hydrogen fuel supply will run low. Then the Sun will swell up and will become about 100,000,000 miles across during it's Red Giant phase. It will become about the size of were earths orbit is and devour it. Mercury, Venus, and Earth will have been engulfed in the Sun. The outer planets will live on. After the red giant phase, the sun will explode in a supernova and all that will be left is the core. The outer planets warmed up during the red giant phase and will continue to orbit the white dwarf core.

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Physics
Stars
Electromagnetic Radiation
Solar Flares

Does solar radiation contain a complete spectrum of all forms of electromagnetic radiation?

Yes it does. It contains all the forms of radiation, but 99% of its energy is carried by radiation with wavelengths between 278 and 4600 nm, with the maximum at 4720 nm.

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Solar Flares

Are solar flares deadly?

Yes they are, if you know what they are then good, if you don't then here it is; solar flares are flares that come from the sun, so if your up in space and you get to one GOOD LUCK

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Solar Flares

How do solar flares effect air traffic cotrollers?

Air Traffic Control works primarily by radio transmissions and other electronic communications. Severe electromagnetic "storms" within the Earth's ionosphere (an upper layer of the atmosphere) can degrade radio communications, and a VERY severe "solar storm" can actually cause power failures here on Earth. These are fairly unusual, but people have begun to panic and fly into a tizzy whenever ANY unusual event occurs.

And a lot of our electrical infrastructure is verging on collapse. Too many power plants are too old, and for various reasons like cost, environmental impact and government regulations they have not been replaced or upgraded. Our demand for electricity is growing more and more rapidly, at a time when the supply is level or decreasing. Simple problems coupled with high demand and waning reserve capacity can cause widespread blackouts which affect EVERYBODY, not just air travelers. Today, for example, (September 8, 2011) much of the City of San Diego, California is blacked out by a combination of too little electrical supply, extremely hot weather causing record-breaking air conditioning use, and the failure of one power transmission line.

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Astrology
Rainforests
Solar Flares

What are some instances when astrology predicted the future accurately?

You might want to study up on Nostradamus. He did a lot of that kind of work. Some books about him might help to answer your question.

AnswerThere are none. Nostradamus wrote confusing ramblings that could have meant absolutely anything. AnswerNostradamus gained fame during his lifetime by accurately predicting the death of the French king. In his defense, he wrote during the Inquisition and felt the need to disguise his forecasts. As a converted Jew (his grandfather was a rabbi), he was automatically suspect. He adopted the Latinized "Nostradamus" (Our Lady) because it was the most Catholic name he could think of.

But apart from that, as a radio astrologer (and a columnist before that), I predicted the election of Ronald Reagan, George H. W. Bush, Bill Clinton, and -- shudder -- George W. Bush. And while I'm on the subject, I might as well predict the election of Barack Obama -- if his birth time is accurate. (In the interest of full disclosure, I intend to vote for John McCain.)

AnswerI think Nostradamus' work was too confusing to be a really good example. But there are others.

Evangeline Adams once predicted a fire in a hotel, and it happened. The result was that she was charged with arson because police believed she wanted to make a prediction come true to help her career. She had an alibi - she was with the owner of the hotel - but the charge stayed with her because she could have had a co-conspirator set the fire. Her defense was that astrology worked, and she was prepared to prove it. She offered to do a horoscope for any person known to the court but not to her. The judge gave her the birth data of a close relative of his, she did the reading, and the judge concluded that the level of accuracy of the work was so high it had to have some scientific validity.

I was drawn to investigate astrology when I discovered that Issac Newton practiced it all his life. So I learned to do horoscopes, interpreted them, and published the results in a magazine I worked for. Answering the question from my own experience, one prediction I made was that the town I lived in, in the hills of northwestern New Jersey, would be hit by a tornado. The actual prediction in print (because I did not want to go that far out on a limb) was there would be a damaging storm on that day with threat to life. That day, a number of houses had roof sections and walls torn off by a tornado. I predicted that a particular day would be good for real estate sales; a week after the date, I was told the prediction had come up at a meeting of local real estate people, and they realized all of them had either taken a deposit or had a closing that day. I predicted that a political leader of great importance leader to the People's Republic of China would die on a particular day. I thought it would be Mao Zedong but I was wrong; Chiang Kai-shek died on that day. I predicted the date the first rain ending a drought came, and the prediction was made just as the drought was starting.

I am not a professional astrologer. I do charts for friends because they find them helpful. Quite frankly, I do not know what to make of it. But this is not because I think it does not work. Rather, it is because I cannot imagine a scientific reason why it would work.

I would also say that with a single exception, none of the people I have been aware of who were detractors on the subject of whether astrology never bothered to get educated on the subject, and so their opinions had no scientific value whatever. On the other hand, with the exception of that one person, the people I have been aware of who studied the subject did not remain skeptical.

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Atmospheric Sciences
Aurora Borealis and Aurora Australis
Solar Flares

What causes an Aurora?

The aurora is caused by the interaction of high-energy particles (usually electrons) with neutral atoms in earth's upper atmosphere. This process is similar to the discharge in a neon lamp, or the fluorescence of a television screen. The strongest auroras are quite bright, comparable to moonlight. The aurora occurs only above altitudes of 80 km, and infrequently above 500 km. The average altitude for a normal intensity aurora is between 110 and 200 km.
Auroras are caused by solar flares from the sun splashing off the magnetic fields of Earth.
particles from the solar wind that are trapped in the earths magnetic field
An Aurora Australis or an Aurora Borealis occurs when streams of particles from the sun's solar winds hit the earth's atmosphere at an angle (as can only happen at the poles). These particles interact with the edges of the earth's magnetic field and when they collide with the gases in the ionosphere, the particles glow creating curtains of blue, green and magenta. An aurora is sometimes accompanied by a crackling sound.

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Solar Flares

Why do solar flares happen near sunspots?

Sunspots are believed to be the sites where solar flares are generated. Sunspots are known to be "storms" on the sun's surface, but they are not yet fully understood.

add The surface of our Sun is about 5800 deg C and above, and naturally most of the material is highly ionized. Thus large electrical currents may be generated, and these in turn cause the magnetic field loops seen as solar activity. These magnetic loops can accelerate the charged ions from the Sun, hence the name Solar Flare..

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Solar Flares

How do sunspots prominences solar flares and solar winds contribute to the northern light?

The northern lights, or auroras, are caused by the particles of the Sun's solar energy meeting the atmosphere of Earth. The particle waves of the solar energy is also called cosmic waves.

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Global Warming
Climatology and Climate Changes
Solar Flares

How do sun spots and solar flares show evidence for climate change?

They don't. Climate change occurs on the Earth. Sun spots and solar flares occur on the Sun. The Sun heating up could cause a climate change on the Earth, but sunspots and solar flares don't really have much to do with that.

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Solar Flares

What is the difference between solar winds and solar flares?

Oversimplified analogy: the solar wind is a near continuous fairly gentle outflow of gas from the sun in all directions, a solar flare is a giant hurricane force gust blown suddenly away from the sun in one single direction.

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Astronomy
Solar Power
The Sun
Solar Flares

What is a solar prominance?

Solar ProminencesHigh energy occurrences on or near the surface of the sun that are associated with its changing magnetic field. Typically, they are explosions caused by the very rapid release of energy stored in the magnetic field (although the exact mechanism is not known). These prominences usually appear as loops moving along, but not across, magnetic field lines that are anchored at both ends to the sun. Solar flares and sunspots are good examples of solar prominences.

Simple Answer: huge reddish loops of gas that often link different parts of sunspot regions.

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Astronomy
The Sun
Solar Eclipses
Solar Flares

How is the next solar flare going to affect us?

the senter of the earth is a sun flare it is big and long lol jp look some were else the senter of the earth is a sun flare it is big and long lol jp look some were else the senter of the earth is a sun flare it is big and long lol jp look some were else

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Solar Flares

Is nuclear fusion caused by solar flares?

no its is the chemical reaction of two atoms when fused together

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Solar Flares

Which part of the Sun do solar flares come from?

Anywhere on the surface of the sun.

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Solar Flares

Solar flares may be seen in the sun's?

You can see Solar Flares in the Suns' Corona.

corona (apex)

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Solar Flares

How are sunspots related to prominences and solar flares?

The sun don't really need sunspots cause sunspots are related to several features on the sun's surface but prominences and solar flares need sunspots.
Sunspots are the places where the magnetic field lines of the Sun poke out of the Sun to form loops.

Where they poke out they are seens as prominences against the edge of the Sun's visible disk during an eclipse of the Sun.

The looped magnetic field lines contain energy and are unstable, When they break and reconnect they release this energy suddenly and cause solar flares.

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Solar Flares

Why can't you use the energy given off by solar flares?

Because the energy emmited by the solar flare is being trapped and sent back by the earth's magnetic field known as van Allen radiation belts back to the space.Thus the energy never really reaches earth to be used.

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Solar Flares

Does Venus have solar flares?

No. Solar flares are a characteristic of the Sun and other stars, not of planets.

No. Solar flares are a characteristic of the Sun and other stars, not of planets.

No. Solar flares are a characteristic of the Sun and other stars, not of planets.

No. Solar flares are a characteristic of the Sun and other stars, not of planets.

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Astronomy
Meteorology and Weather
Stars
Solar Flares

How are prominences related to the sun?

Well, prominences are tongue-like clouds of flaming gas that come from the sun's surface, and are visible during a total solar eclipse as part of the corona.

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Solar Flares

Do solar flares cause skin cancer?

No one knows for sure

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Solar Flares

The most violent of all solar disturbances is called?

Solar Flares

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Stars
The Sun
Solar Flares

Solar flares can be created by what?

sunspots

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Solar Flares

How often do solar flares occur?

2.28 per year, roughly.

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Solar Flares

How often do solar flares happen?

It varies, from several per day when the Sun is particularly "active" to less than one each week when the Sun is "quiet".

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Solar Flares

How are solar flares created?

A solar flare occurs when magnetic energy that has built up in the solar atmosphere is suddenly released

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