The space shuttle was designed as a cost-effective way of making travel to low Earth orbit routined, but the promise of low and cheap easy access to space had unexpected consequences. In January 1986, the Space Shuttle Challenger broke apart 73 seconds into its flight, killing all seven crew members aboard. | Spark

65K views · 660 reactions | On this day 35 years ago, seven astronauts aboard the Space Shuttle Challenger — Ellison S. Onizuka, Mike Smith, Christa McAuliffe, Dick Scobee, Greg Jarvis, Ron McNair and Judy Resnik — died when the spacecraft exploded and broke apart 73 seconds into its launch. *** The MacNeil/Lehrer NewsHour devoted its entire show on Jan. 28, 1986, to cover the tragedy and honor the victims. Here's part of that remembrance. | PBS NewsHour | Facebook