heart murmur a sound additional to the normal heart sounds, heard on auscultation of the heart. Many murmurs are of no significance (innocent, physiological murmurs), particularly in young children, or due to increased blood flow through the heart during exercise, or in pregnancy.
Columbia Space Shuttle Disaster. On February 1, 2003, the space shuttle Columbia was returning from its 28th mission when, 16 minutes to touchdown, the shuttle incinerated and broke apart over Texas. Communication between the Columbia crew and Mission Control captures the last moments of the flight.
1 The Columbia Disaster In Perspective On 16th January 2003, Space Shuttle Columbia lifted off the ground at 15:39:00 (UTC) from Kennedy... 2  Remembering the Columbia Crew, One Day at a Time Dear Rick, Willie, Mike, KC, Dave, Laurel, and Ilan, I canât believe itâs been ten years since...