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11/05/2013

Our Sun Fires off an X-Class Flare!

One of the largest sunspots of the current solar cycle (SS#24) emerged over the sun's eastern limb three days ago and now has unleashed a giant X3-class flare!  

X3

NASA's Solar Dynamics Observatory recorded the extreme ultraviolet flash at about 5:15 pm local time.  Although the flare was very intense, it was brief and this should help to mitigate any impacts on Earth.  

However, the blast is associated with sunspot AR1890 which has become increasingly active over the last 24 hours.  

This image courtesy SpaceWeather.gov shows the progression in solar activity since early this morning.

Xray

The sunspot in question, located in the lower-left hemisphere of the sun, is slowly rotating towards us and poses a high risk of additional eruptions over the next few days.  

Ar1890


If this occurs, then the risk of a damaging geomagnetic storm goes up.   Something we'll be watching closely for the remainder of the week.

Earlier today, AR1890 unleashed an M2.5 class flare.  See video of that eruption below.

 

 

Meteorologist Jeremy Kappell

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Comments

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Wow!

I live on solar will I have to do anything special to make sure this doesn't hamper my system in any way?

I have a question, something I've always have wondered? If there is no oxygen in space, how does the sun burn as a complete ball of fire, and never burns out, with no oxygen, what fuels it..?

To torrid*** the heat is created by a lot of hydrogen particles,.... Like Sun sized amount. These particles become heated up as the unimaginable amount of gravity which collected this hydrogen now crushes them into helium. This process is called fusion, fusion both needs and creates unimaginable amounts of heat, light , and radiation. Enough heat, intact to re-split the helium atom back into 2 hydrogenated. The sun also makes heavier atoms such as iron, and then expels it back into the universe, the sun is basically an element factory.
It will either burn out or blow up one day, but at a mere 3 or so billion years old or so its actually younger and only in its adolescence compared to neighboring stars. So you see the sun doesn't need oxygen to burn it has enough fuel to last awhile. Hope that answered your question

E, it gets MUCH more technical and complicated than what you think. The sun is actually made of mainly hydrogen, other gases, and plasma, not fire. This small reading should help you understand, but it still doesn't go into details. http://starchild.gsfc.nasa.gov/docs/StarChild/questions/question36.html


The sun is mass of incandescent gas, a gigantic nuclear furnace,
where hydrogen is built into helium at a temperature of millions of degrees.

The Sun is hot, the sun is not a place where we could live.
But here on earth there'd be no life without the light it gives.

We need its light.
We need its heat.
We need its energy.
Without the sun without a doubt there'd be no you and me.

The sun is mass of incandescent gas, a gigantic nuclear furnace.
Where hydrogen is built into helium at a temperature of millions of degrees.

The sun is hot.
The sun is so hot, that everything on it is a gas, copper, iron, aluminum on the surface of the sun are all gas.

The sun is large.
The sun is so large, a million earths could fit inside, and yet the sun's just a middle-sized star.

The sun is far away.
Its about 93 million miles away, and thats why it looks so small!
But even when its out of sight, it shines both night and day.

So what does this mean for us?

Thx for the imput guys, great information... it's amazing how God put it in the right place to sustain life, and we're the only planet that has life on it, I've heard that if earth were closer to the sun, we would burn up, and if we were a little further away, we would freeze to death, amazing... simply amazing!

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