Challenger Disaster Live on CNN

MeeMeeFlu on Instagram: "The mission (STS-51L) included seven people — among them a civilian teacher chosen under NASA’s “Teacher in Space” program, which drew widespread public and school-classroom attention. The direct cause was a failure of a rubber O-ring seal in the right Solid Rocket Booster (SRB). This O-ring was designed to prevent hot exhaust gases from leaking through the joints of the booster. On the morning of launch, temperatures at the launch site were unusually cold — cold enough

Final chilling words of Challenger's crew before their space shuttle exploded 73 seconds into flight