There's "pretty solid evidence that we’re collecting Kuiper Belt dust right here."

[The SC]

 

[The SC]

COME FROM AWAY Some interplanetary dust particles that end up in Earth’s atmosphere may have started life in the faraway Kuiper Belt (illustrated), a region of icy objects farther from the sun than Neptune.

https://www.sciencenews.org/article/kuiper-belt-dust-earth-atmosphere-nasa-labs-right-now

@Hamartia Antidote