If we ever want to send humans to Mars and beyond, we'll need some new ideas in spacecraft propulsion. Ad Astra, the brainchild of former astronaut Franklin Chang-Diaz is betting on plasma engines. The plasma inside can reach temperatures of 1 000 000 K, so right now the engineers are working to prevent the engine from melting itself.
Developing a Plasma Thruster in Costa Rica
A plasma rocket might be the propulsion technology that sends humans to Mars
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