yep, littering space with all our junk, just like we do to the oceans with our plastics. Nature and the cosmos have humour: return-to-sender, let ourselves be killed by it. Yep, preserve our way of life so we can trash the entire universe with our ape-like manners.

I just love the Calvin and Hobbs conclusion: "The surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us".

https://www.wanderings.net/notebook/Main/CalvinAndHobbesOnSurestSignOfIntelligentLife