ISS astronauts will complete Challenger teacher’s science lessons
 

On January 28, 1986, the Space Shuttle Challenger exploded during liftoff. Onboard were seven astronauts, one of which was teacher Christa McAuliffe. She was selected from over 11,000 applicants for the position of NASA's Teacher in Space. McAuliffe...

https://www.engadget.com/2018/01/19/...ns-aboard-iss/