ArsTechnica has a great story about NASA's early space program and how the tragic fire during Apollo 1's testing was a turning point for the program.
As Gus Grissom said, "The conquest of space is worth the risk of life." He was one of the astronauts who died in the Apollo 1 fire.
(Score: 2) by MichaelDavidCrawford on Saturday December 09 2017, @08:46AM
I don't know maybe carbon too.
Chasing a comet I expect would take less propellant than importing them from the Earth.
Yes I Have No Bananas. [gofundme.com]