Science
Report: NASA’s only realistic path for humans on Mars is nuclear propulsion – Ars Technica
“It’s the kind of technology challenge that NASA was built for.”
Enlarge/ NASA originally studied nuclear thermal propulsion in the 1960s. Here is concept art for the Nuclear Energy for Rocket Vehicle Applications (NERVA) program.
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Getting humans to Mars and back is rather hard. Insanely difficult, in fact. Many challenges confront NASA and other would-be Mars pioneers when planning missions to the red planet, but chief among them is the amount of propellant needed.
During the Apollo program 50 years ago, humans went to the Moon…
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