Flail Chest (Definition) Flail chest is a life threatening medical condition in which multiple segments of the rib cage have been broken and are loosened. These segments cause severe bruising and damage to the lung. ...Read more.
The Milky Way is the second-largest galaxy in the Local Group, with its stellar disk approximately 100,000 ly (30 kpc) in diameter, and, on average, approximately 1,000 ly (0.3 kpc) thick.
in the center of the milky way is a massive black hole sucking everything around like a tornado. The milky way. The letter L is in the middle. A supermassive black hole with a mass range of 3.7-4.1 million solar masses reside in the galactic center. http://www.universetoday.com/2008/12/10/...