UNEXPLAINED CASES on Instagram: "On January 28, 1986, the space shuttle Challenger exploded just 73 seconds after launch, in a disaster broadcast live to millions of people around the world. On board were seven astronauts, including Christa McAuliffe, a teacher who symbolized bringing space closer to the public. The accident occurred due to the failure of an O-ring, leaving a profound global shock and an immediate silence among those watching the broadcast. Did you know we have a book called “Th