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black holes
(mander.xyz)
A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.

Rules
If I remember correctly supermassive black holes do consume space and can be quite large. They can also be much less dense than neutron stars, let alone stellar black holes.
Singularity is as much a placeholder for "we don't know" as is Hawking radiation.