Question: How come all news networks refused to show Apollo 13's live TV broadcast?
Charles Austin Miller
29th Jul 2018
Apollo 13 (1995)
22nd Jul 2018
Apollo 13 (1995)
Question: What made the banging the sound the crew heard before the oxygen tank exploded?
Answer: When Mission Control asked Jack Swigert to "stir" the No. 2 oxygen tank, Swigert complied; immediately, the astronauts heard and felt a loud banging noise followed by an actual explosion. As it happened, there were damaged electrical wires powering the "cryo-stir" fan inside oxygen tank No.2. Those wires violently shorted out when Swigert activated them, sparking an intense fire (fueled by the ship's pure oxygen atmosphere), destroying vital tank insulation, and overheating the No.2 oxygen tank to the point of rupture in a matter of seconds. So, the banging noises they heard just before the explosion were the result of electrical wiring violently shorting out and a flash-fire erupting, which precipitated the tank explosion.
Oddly enough, Jack Swigert had stirred the No. 2 oxygen tank a couple of times earlier in the mission, with no problems whatsoever. Why the wiring suddenly failed on this last attempt is still a subject of debate.
Why would it be subject to debate? The further into the flight, the less liquid oxygen in the tank. The frayed wires were not exposed until this point in the flight. Exposed wires allowed the arc. The arc caused the explosion.
What does the "ship's pure oxygen atmosphere" have to do with it? The ship didn't explode or burn. Apollo 1, yes, the command module did, but not 13.
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Answer: The US had been to the moon twice before. America had already become jaded with NASA's successes and weren't interested in minute by minute coverage before they'd even reached the lunar surface.
Brian Katcher
The American public was not jaded with the lunar program so much as it was the Big Three television networks that had become complacent.
Charles Austin Miller