The Earth is the thrid planet form our sun. Our solar system is on one of the outer arms of the milky way, our galaxy. These are in comparisoin tiny objects in comparison to the univers. Which is around 14 billion light years across. In comparison the milky way is only 12 million light years across. The soloar system is 1 light hour across and the Earth, the Earth is not even a light second across.
The Universe is around 14 billion years old. The theroy that most scientist agree with is that the universe started off with a bang. This is called the big bang and it is what got everything going. Before the big bang, nothing exsited, or so many scientist think. The universe is moving at a speed that acording to physics is imposible. The universe is expanding at a speed that is greater than that of light, which is supposed to be impossible. When the big bang happend all of the matter that now exsicts was created. Giving the building blocks of the universe a place to go.
Stars are the building blocks of all elements. When stars create heat they use nuccler fusion, slaming other elements together to create newer elements. As the stars get older they start fussing heaveir and heavier elements together. When these larger elements hit iron they process ends. If the star is large enough the start will go into a supernova. When this happens more elements are created from the heat of the explosion. This is how we get the natural elements found on earth.
Tuesday, November 22, 2011
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The Sun
The sun is a large ball of gas, that has a hot plasmaic core of mostly hydrogen. This ball of swirling gas does things that most people don't think is possible. This are things like storms, launching bits of it's self, and the most supprising it actually changes color. These are known as solor flares, solor wind, and sunspots.
Solar flares are bits of the sun that are launched into space. These are large explosions that occur near sunspots. They are very hot, millions of degrees farhenheight, and have a charge to them. These flares are aranged in a system of how large they are, and how powerfull they are. The largest is the X-class flares, they are followed by the M-class with a tenth of the energy as the x, Then there is the C-class they have a tenth of the energy that the M-class has. Solar flares are only seen via x-ray's. However you can see proof that they do exsit. In fact you don't need much equipment, just go to a computer, or listen to new reports and wait for a solor flare to pop up. Then go out side (or hop on your favorite search engine and type in northern lights) and look for the northern lights.
Solar wind is a area of charged particles in the upper atmosphere of the sun and usually consits of protons and electrons. These particles have a voltage of around 1.5 to 10 KeV. These highlly charged particles can escape the suns gravity because of there high temperture and there high kentic energy. These particles also create a larger bubble around the solar system, this is called the Heliosphere.
Sunspots are areas of the sun that have turned darker than the surrounding area. These large areas some are over 50,000 miles in diameter move around the sun. As they do they expand and contract. Sunspots are caused by areas of intense magnetic charges. These things are cooler than the surrounding sun.
When these thigns move away form the sun towards Earth, weird stuff can happen. They can cause electronics to become disfuctionanall. When high beams of radition hit satilites they can fry the circuts instatlly. When power grids are hit things like the 2005 east coast blackout occur
http://en.wikipedia.org/wiki/Sunspot
http://en.wikipedia.org/wiki/Solar_wind
http://solarscience.msfc.nasa.gov/flares.shtml
http://sohowww.nascom.nasa.gov/sunspots/
Solar flares are bits of the sun that are launched into space. These are large explosions that occur near sunspots. They are very hot, millions of degrees farhenheight, and have a charge to them. These flares are aranged in a system of how large they are, and how powerfull they are. The largest is the X-class flares, they are followed by the M-class with a tenth of the energy as the x, Then there is the C-class they have a tenth of the energy that the M-class has. Solar flares are only seen via x-ray's. However you can see proof that they do exsit. In fact you don't need much equipment, just go to a computer, or listen to new reports and wait for a solor flare to pop up. Then go out side (or hop on your favorite search engine and type in northern lights) and look for the northern lights.
Solar wind is a area of charged particles in the upper atmosphere of the sun and usually consits of protons and electrons. These particles have a voltage of around 1.5 to 10 KeV. These highlly charged particles can escape the suns gravity because of there high temperture and there high kentic energy. These particles also create a larger bubble around the solar system, this is called the Heliosphere.
Sunspots are areas of the sun that have turned darker than the surrounding area. These large areas some are over 50,000 miles in diameter move around the sun. As they do they expand and contract. Sunspots are caused by areas of intense magnetic charges. These things are cooler than the surrounding sun.
When these thigns move away form the sun towards Earth, weird stuff can happen. They can cause electronics to become disfuctionanall. When high beams of radition hit satilites they can fry the circuts instatlly. When power grids are hit things like the 2005 east coast blackout occur
http://en.wikipedia.org/wiki/Sunspot
http://en.wikipedia.org/wiki/Solar_wind
http://solarscience.msfc.nasa.gov/flares.shtml
http://sohowww.nascom.nasa.gov/sunspots/
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