We are 
We know that lots of you are dreaming about Prometheus. Do you know dense the propellant we’re talking about is compared to other fuels? #ArianeGroup #Prometheus #RocketEnginepic.twitter.com/mqyn6spW5e
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Exactly! Methane has lots of advantages. It’s easier to manipulate and it liquefies at -161°C. That’s close to the temperature of liquid oxygen (-183 °C), meaning that the engine’s internal architecture is a lot simpler. What’s the benefit of using such a dense gas?pic.twitter.com/tiMB7qEOIr
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better mass ratio for smaller tanks.
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Why it takes so long to start use it?
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Is ISRU to become part of the overall mission architecture?
#OccupyMars maybe?
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1pp.pmp1p1p.p 1,emm 1p*¿9*
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The fart rocket
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