xkcd-com feeds.twtxt.net Thu, Oct 19 8:00PM 2023 (3y ago) Black Holes vs Regular Holes ⌘ Read more ⤋ Read More Yarn
![Created by the collapse of: [massive stars] [Florida limestone bedrock]](https://imgs.xkcd.com/comics/black_holes_vs_regular_holes.png)
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