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.
We call it the Milky Way.   (a reference to the hazy white color created by its band of stars  across the sky)    The Solar System is in the Milky Way Galaxy, apprâ¦oximately 25,000  light years give or take a 1000 lys from the center. It measures  approx. 100,000 lys across.