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.
How big is the Milky Way Galaxy? The Milky Way Galaxy is our home in the existing Univers, it is a barred spiral galaxy 100,000â120,000 light-years in diameter containing 200â400 billion stars and at least as many planets including our solar system.