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.
The small galaxy NGC 1277 is home to a colossal supermassive black hole and is embedded in the nearby Perseus galaxy cluster, at a distance of 250 million light-years from Earth. NGC1277 is the small galaxy in the center of this image. Compared to all the other galaxies around it, NGC 1277 is very compact and flat.