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He's being generous by assuming 100% fuel transfer and no boil off.
I'm sure that leaking methane into the upper atmosphere will have only beneficial affects to our climate.
oh they'll be way past the upper atmosphere when transferring fuel
Enough that it decomposes before reaching the lower atmosphere?
Spaceflight has to be a miniscule amount of pollution compared to the rest of human activity but it is important to understand what weird effects there might be of introducing it at different altitudes. Though starship could well enable some clean up of LEO, which would be nice.
my point was that there is a high chance it just won't ever reach that part of the atmosphere
Why not? Where does it end up? I was asking if it decomposes into hydrogen and carbon dioxide due to UV exposure or something. Is that what you're saying?
Except for that whole 'atmosphere extends 100,000 miles past the moon' bit that was recently acknowledged, but I do get what you mean. ;)
yeah well good luck trying to draw a definitive boundary for any phenomenon and you'll realize shit get complicated fast