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Questions about an engine SpaceX has been developing using Methane/LOX as fuel, which has a 2,200 kN (500,000 lbf) thrust range.

18 votes

Why did Starhopper's exhaust plume become brighter just before landing?

The bright yellow light from RP-1 burning engines is from carbon soot built up from already-complex carbon molecules in kerosene. However the single-carbon methane molecules quickly oxidize to CO2 and …
uhoh's user avatar
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