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- Portrait of a Doomed Asteroid
A new study provides a possible explanation of mysterious X-ray flares detected by the Chandra K-ray Observatory for several years in the region of Sagittarius A*, or Sgr A*. The study suggests a cloud around Sgr A*, a supermassive black hole at the center of our Milky Way Galaxy, which contains hundreds of trillions of asteroids and comets that have been stripped from their parent stars. The flares occur when asteroids of six miles or larger in radius are consumed by the black hole. An asteroid that undergoes a close encounter with another object, such as a star or planet, can be thrown into an orbit headed towards Sgr A*. If the asteroid passes within about 100 million miles of the black hole, roughly the distance between the Earth and the sun, it is torn into pieces by the tidal forces from the black hole. These fragments would then be vaporized by friction as they pass through the hot, thin gas flowing onto Sgr A*, similar to a meteor heating up and glowing as it falls through Earth's atmosphere. A flare is produced and eventually the remains of the asteroid are swallowed by the black hole. Image Credit: Illustrations: NASA/CXC/M.Weiss
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Category Archives: Blood Warmer
Dixie Chicks National Anthem
Say what you will about their politics. They did this right. Happy Fourth!
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Star Spangled Banner
I believe that I was actually deployed or otherwise engaged when this took place and only have been able to catch the replay. Happy Independence Day!
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Faith Hill National Anthem
For the noon release on the 4th, may I present Faith Hill. Happy Fourth!
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Star Spangled Banner Billy Joel Super Bowl 41 – 2/2007
It might not be the best rendition but check out the spot at about 1:48 in. Happy Fourth!
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Ted Nugent – Star Spangled Banner Live
Since I am on a bit of a Ted Nugent kick right now. I give you a special bit of Ted to start the day off. Happy Fourth of July!
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2 Minute Lesson In Motivating Others
A lot of money has been made writing books, and lecturing on leadership, developing high performing teams, and motivating / inspiring others. Below is the “Cliff Notes” version.
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Today’s Blood Warmer
Here is another one of those moments that trips the athlete’s triggers in my brain. [vodpod id=ExternalVideo.486185&w=425&h=350&fv=%26rel%3D0%26border%3D0%26] from youtube.com
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Blood Warmer Part 2
Another one to fire you up. The year is 1991. Chicago Stadium, the NHL Allstar Game. Wayne Messmer is your vocalist, and Desert Storm is getting ready to kickoff. [vodpod id=ExternalVideo.486191&w=425&h=350&fv=%26rel%3D0%26border%3D0%26] from www.youtube.com
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Today’s Blood Warmer
Time for another excursion into the past for a pre-game blood warmer.
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Blood Warmer Part 1
Having spent a large portion of my life playing hockey at a fairly elite level, there is nothing that quite triggers the same response in me as a rousing National Anthem. I have been conditioned like a Pavlov Dog, you’re … Continue reading
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