NASA readies Artemis mission sending astronauts back to moon
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For more than 60 years, nearly every large rocket used some combination of the same liquid and solid propellants. Refined kerosene was favored for its easy handling and non-toxicity, hydrazine for its storability and simplicity,
Commercial launch providers continue to advance propulsion technology with a renewed focus on liquid oxygen and methane propelled rockets and spacecraft. As systems grow in scale, carrying millions of pounds of propellant,