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What is the minimum amount of compressed hydrogen rocket fuel that would be necessary to get...

What is the minimum amount of compressed hydrogen rocket fuel that would be necessary to get a Dragon2 space capsule from the surface of the Earth to the surface of Mars?

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What is the minimum amount of compressed hydrogen rocket fuel that would be necessary to get...
What is the minimum amount of compressed hydrogen rocket fuel that would be necessary to get a Dragon2 space capsule from the surface of the Earth to the surface of Mars ?
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what other elements does a star burn as fuel besides hydrogen?
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