environment articles
Why is rocket pollution considered uniquely impactful compared to conventional aircraft pollution?
What is a critical environmental consequence of using kerosene (RP-1) fuels?
What is the primary exhaust product when liquid hydrogen ($ ext{LH}_2$) is combusted with liquid oxygen ($ ext{LOX}$)?
How does the exhaust profile of methane compare to kerosene regarding soot production?
What effect does black carbon settling in the stratosphere have on the atmosphere?
Approximately what altitude range defines the stratosphere where rocket soot settles?
What is the source of nitrogen oxides ($ ext{NO}_x$) produced during rocket combustion?
What chemical limitation do hydrocarbon-based biofuels still face despite their lifecycle carbon neutrality claim?
What factor can potentially give liquid hydrogen a higher cradle-to-launch carbon footprint than a methane engine?
Which sustainability measure focuses on improving the chemical process within the engine itself for hydrocarbon fuels?
What is the approximate average surface atmospheric pressure on Mars compared to Earth's sea level?
Which gas overwhelmingly dominates the thin Martian atmosphere?
Why can liquid water not exist stably on the Martian surface?
What is the approximate average surface temperature on Mars?
What factor exacerbates the massive diurnal temperature swing on Mars?
What crucial planetary feature does Mars lack that Earth uses to block much solar and cosmic radiation?
What specific type of toxic compounds lace the Martian regolith, posing a problem for agriculture?
What construction strategy helps solve both the radiation shielding and temperature stabilization problems simultaneously?
What crucial step toward self-sufficiency does the MOXIE experiment demonstrate the ability to achieve?
What will be the primary method for obtaining potable water for long-term Martian settlers?
Why might a nuclear power source be considered more reliable for base-load needs than solar power on Mars?