Yes, drop a large enough rock from, say, orbital height and there might be zero ... | Hacker News

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		dessimus on Oct 25, 2023 \| parent \| context \| favorite \| on: Adding crushed rock to farmland pulls carbon out o... Yes, drop a large enough rock from, say, orbital height and there might be zero carbon emissions going forward.

progne on Oct 25, 2023 [–]

For a rock to extinguish all life on and in Earth from an orbital drop it would have to be quite large. I suppose Jupiter would be big enough.

mkl on Oct 25, 2023 | [–]

Just human life would do, not all life. But just a drop wouldn't have the relative speed of most asteroid impacts.

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