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How so? https://en.wikipedia.org/wiki/Micrometeorite#Introduction https://en.wikipedia.org/wiki/Micrometeorite#Introduction > An estimated 40,000 ± 20,000 tonn
by mlindner 5y ago
How so? https://en.wikipedia.org/wiki/Micrometeorite#Introduction https://en.wikipedia.org/wiki/Micrometeorite#Introduction
> An estimated 40,000 ± 20,000 tonnes per year (t/yr) of cosmic dust enters the upper atmosphere each year of which less than 10% (2700 ± 1400 t/yr) is estimated to reach the surface as particles.
- paranoidrobot 5y agoThe thread is about CO2 emissions. The entire total carbon emissions of producing and flying the second stage is non-trivial.
- mlindner 5y ago> The thread is about CO2 emissions. I agree, but the post I was responding wasn't talking about CO2 emissions.