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A comment on UN Bans Mercury Satellite Propellants Under New Minamata Treaty Provisions. Parent comment

Re:UN Bans Mercury Satellite Propellants Under New Minamata ... by _joel on Tuesday March 29, 2022 @04:12AM (#30840060)
But it's not even in use now, when, if it could be used as a cheaper fuel, it would.

Becoming common still needs for there to be some usage, even before it becomes common.

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Re:UN Bans Mercury Satellite Propellants Under New Minamata ... by simonh on Tuesday March 29, 2022 @05:58AM (#30840666)
Apollo Constellation Engine designed their propulsion systems for mega constellations to use mercury, which is what got PEER involved in this. Popular Mechanics also reported on their plans. Even if Apollo changed their minds since, that's a pretty significant 'near miss'.

https://ecfsapi.fcc.gov/file/111998371507/11_19_18_FCC_compl...

https://www.popularmechanics.com/space/rockets/a25242578/apo...

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