A space elevator is a hypothetical megastructure capable of transporting material from Earth—or another celestial body—into space without the use of rockets. The concept was first conceived by Russian inventor Konstantin Tsiolkovsky in 1895. Many of today’s proposed designs incorporate tensile towers built out of advanced materials like carbon nanotubes, which are very strong and lightweight. By 1978, technology had advanced enough that working space elevators could have been constructed where?
Sharon Christa McAuliffe, a high school history teacher, was among the seven crew members killed when the Space Shuttle Challenger exploded soon after its launch in 1986. She had been selected to be the first civilian in space from a field of more than 11,000 applicants to NASA’s Teacher in Space program, and she was slated to teach two lessons during the flight.
In 2004, she was posthumously awarded the Congressional Space Medal of Honor
“Research is what I’m doing when I don’t know what I’m doing.” – Werner Von Braun