1986 Challenger Disaster

A detailed Summary of 1986 Challenger Disaster


I believe that in 1986 the space shuttle Challenger exploded due to low temperatures and the faulty design of one of the joints on an SRB (solid rocket booster).

I believe this event is unique to the 1980's because it was the first time a civilian, a school teacher, was going into space. That fact alone captured the attention of the entire nation. After the Challenger crashed the Space Program was revamped to make the safety of the astronauts the key issue.

Originally scheduled to launch at 3:43 PM Eastern Standard Time on January 22, 1986, the Challenger liftoff was rescheduled five times due to bad weather. The final date scheduled for the Challenger's take off was January 28, 1986 at 11:38 AM Eastern Standard Time. On that morning the temperature outside was 36 degrees Fahrenheit, 15 degrees lower than any previous launch.

The crew consisted of seven people. Michael J. Smith, the pilot, Francis R. Scobee, the commander, Judith A. Resnik, a mission specialist and the second woman to go into space, Ellison S. Onizuka, the second mission specialist, Ronald E. McNair, the third mission specialist, Gregory B. Jarvis, the first payload specialist, a


At a little less than sixty seconds after launch a small and steady flame burning escaping gasses was shooting out of the joint and directed onto the external tank which contained liquid oxygen and hydrogen fuel. The flame against the external tank was 5, 600 degrees Fahrenheit finally caused the external tank to grow hot and weak. The side of the external tank gave way and liquid hydrogen started burning as well. At 72 seconds after take off a complex chain of events took place in a time span of two seconds, causing the Challenger to explode in mid-air and kill all crew members aboard. The Challenger was going at a speed of mach 1.92, and was at a height of 46,000 feet when it blew up, and its last transmission to NASA was at 73.62 seconds after take off. The SRB's have parachutes built into them so they can safely return to the ground after a normal launch. One of the parachutes came loose in the explosion and slowly drifted to the ground, leading the watching public to believe that the crewmembers had escaped by some escape system. What the public didn't realize is that there was no escape system on that shuttle or any previous one.

nd Sharon Christa McAuliffe, the second payload specialist, and the first civilian to go into outer space.

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Approximate Word count = 843
Approximate Pages = 3 (250 words per page double spaced)

Category: History

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