Expired50% confidenceFactExact time
Liquid oxygen–methane propellant has a specific impulse of approximately 380 seconds, liquid hydrogen–liquid oxygen approximately 450 seconds, and liquid oxygen–kerosene approximately 350 seconds.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 9/30/2026(expired)
Sources
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