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.
Approximate diameter (in metres) of galactic disk of Milky Way galaxy (100,000 light years). 70,000,000,000,000,000,000,000. Rough estimate of the number of stars in the observable universe (estimates vary from 1022 to 1024). 22,300,000,000,000,000,000,000. Distance (in metres) to the Andromeda Galaxy, the nearest galaxy to our own (2.36 million light years).