Space Shuttle Challenger Disaster - 7 Astronauts Dead / 73 Seconds Live TV 1986 скачать в хорошем качестве

Space Shuttle Challenger Disaster - 7 Astronauts Dead / 73 Seconds Live TV 1986

🚀 73 SECONDS - LIVE ON TV - 7 ASTRONAUTS DIED January 28th, 1986. Kennedy Space Center, Florida. Space Shuttle Challenger. 7 astronauts. Including a teacher. *Christa McAuliffe.* 37 years old. First civilian in space. Teacher in Space program. 11,000 teachers applied. She was chosen. Millions watching live on TV. Children in classrooms. Families at viewing area. 11:38 AM. Liftoff. Beautiful. Perfect. *73 seconds later. Explosion.* External fuel tank exploded. Shuttle disintegrated. Y-shaped smoke trails. *7 astronauts died. Live on television.* But: *Engineers had warned.* *Bob Ebeling and Roger Boisjoly.* Morton Thiokol engineers. Night before launch: Teleconference. "Don't launch below 53°F. O-rings will fail in cold." Temperature morning of launch: *36°F (2°C). Coldest launch ever.* Management ignored warnings. Schedule pressure. Politics. Image. *Launch approved.* Bob Ebeling told his wife: "Tomorrow Challenger will explode. 7 people will die." *He was right.* O-ring failed. Hot gas leaked. Hit fuel tank. Tank exploded. *Crew cabin fell intact. 2 minutes 45 seconds.* Investigation found: *3 PEAPs activated.* Personal Egress Air Packs. Emergency oxygen. Manually activated. Meaning: *At least 3 astronauts were conscious during the fall.* They knew. They fell. They couldn't do anything. Hit ocean at 200+ mph. Instant death. Most tragic detail: *They didn't die instantly in the explosion.* *Rogers Commission investigation:* Richard Feynman's famous demonstration. O-ring in ice water. Showed live on TV: Rubber stiffens in cold. Simple proof. Conclusion: *O-ring failure + Management failure.* *Preventable tragedy.* Shuttle program stopped 32 months. Redesigned. Safety culture changed. 1988: Flights resumed. But: *2003 - Columbia disaster. 7 more dead.* Engineers warned about foam strike. Management said "no problem." *History repeated.* Shuttle program ended 2011. Two disasters. 14 astronauts lost. Teacher in Space suspended. Barbara Morgan (Christa's backup) flew 2007. *40 years later (2026): Still remembered.* --- ⏱️ CHAPTERS: 0:00 - Opening: 73 Seconds 4:00 - The Crew: 7 Dreams 8:00 - Space Shuttle Program: The Promise 12:00 - January 27-28: Warnings Ignored 16:00 - 11:38 AM: Liftoff 20:00 - 73 Seconds: Catastrophe 24:00 - Crew Cabin: Conscious Fall 33:00 - 40 Years Later: Legacy --- 📚 KEY FACTS: January 28, 1986 - Space Shuttle Challenger exploded 73 seconds after liftoff 7 astronauts died including Christa McAuliffe (teacher, first civilian) Temperature 36°F (2°C) - coldest launch ever, icicles on pad Engineers Bob Ebeling & Roger Boisjoly warned: "Don't launch below 53°F" Management ignored warnings - schedule, politics, image pressure O-ring failed in cold weather - hot gas leaked, hit fuel tank Crew cabin fell intact 2:45 minutes - 3 PEAPs activated (conscious) Hit ocean 200+ mph - instant death but conscious during fall Richard Feynman ice water demo - proved O-ring failure live on TV Preventable tragedy - management failure over safety Shuttle program stopped 32 months, redesigned, resumed 1988 2003 Columbia disaster - 7 more dead, lessons forgotten Program ended 2011 - 14 total astronaut deaths (Challenger + Columbia) 40 years later: Day of Remembrance, never forgotten --- ⚠️ Live on TV - preventable disaster - engineers warned 🔔 Subscribe for more space disasters 💬 Should management have listened to engineers? 📢 Safety must always come first --- #challenger #spaceshuttle #disaster #nasa #1986 #christa #teacher #explosion #tragedy #preventable