The Challenger space shuttle tragedy shocked the entire world and reminded everyone of the gravity and intense dangers space exploration really is. Decades later, visiting space as a tourist is now closer than ever, but we must never forget those brave astronauts who risked everything to adventure into the great unknown. Today's epic new video revisits that tragic day and analyzes what caused the Challenger to experience a catastrophic failure. | The Infographics Show

409K views · 2.2K shares | Today in history: 35 years ago, NASA space shuttle Challenger exploded during lift-off and it was broadcast on live TV. The seven-person crew included a teacher who was scheduled to become NASA’s first citizen passenger to travel to space | TRT World | Facebook