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.
32 seconds into the flight there was said to be the highest winds ever during a launch. What went wrong during the Challenger Disaster and why was a teacher chosen to go into space? Before it Crashed. NASA launched the spaceship named the Challenger Tuesday January 28, 1986. This would be the Challengers 10th and last mission to space. At 11:38:13 EST 73 seconds into the flight the 7 members were killed in the traumatic crash. Right away a team of employees were ordered to pick up debris and to find lost pieces.