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Rachelle Goolsby

on 27 April 2010

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Transcript of Quasars

1 kiloparsec in width. It is not visible with the naked eye; only visible with a telescope. It is the average size of 100 million suns. Most are larger than a solar system.

Quasars Describe It:
A very bright, star like object that has red-shiftand emits powerful blue lights and often radiation waves. It interacts with other objects since it is the center of the galaxy. Steigerwald, Bill. "quasar_galaxy." x-journals.com. Web. 23 Apr. 2010. <http://x-journals.com/wp-content/uploads/2009/10/quasar_galaxy.jpg>. Distance:
It takes billions of years for its light to reach us. So, it's billions of years away. Dixon, Don. quasar-by-don-dixon.jpg. 2000. http://ksjtracker.mit.edu/2007/10/10/ap-etc-spitzer-spots-dusty-wind-spouting-from-quasars-black-holes/. Web. 26 Apr. 2010. <http://ksjtracker.mit.edu/wp-content/uploads/2007/10/quasar-by-don-dixon.jpg>.

Interesting Facts:
Some quasars look like galaxies
Small and average sized black holes, the middle of a quasar, never become actual quasars.
Quasars usually have black holes in the center of them.
QSO is quasistellar object
They create radio waves.
Emits ultraviolet rays, infrared waves, x-rays, and gamma-rays!
When looking at a quasar, you're look billions of years into the past.

Astronomers found a star-like object with none of the right elements fit for a star. Sometime in the 1960's they studied the star-like object and realized it wasnt a star Formation:
Nobody really knows how quasars are formed. People think supermassive black holes suck all the planets and stars into it, spurting out large amounts of energy from it. And they believe that quasars form from the collision of two galaxies.

NASA. 200159main_rs_image_feature_805_946x710.jpg. http://www.nasa.gov/multimedia/imagegallery/image_feature_805_prt.htm. Web. 27 Apr. 2010. <http://www.nasa.gov/images/content/200159main_rs_image_feature_805_946x710.jpg>.

agn-cartoon.jpg. http://andyxl.wordpress.com/2007/06/08/quasars-donuts-and-the-unified-faith/. Web. 27 Apr. 2010. <http://andyxl.files.wordpress.com/2007/06/agn-cartoon.jpg>.

Rachelle Goolsby, Shyanne Haines
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