Could the singularity of a black hole just be an iron / dark matter sphere?
53299
Can we have a black hole without a singularity?
149084
Black Hole Photon Sphere
57945
How do we know dark matter isn't curved spacetime?
5059
Singularity in Newton's gravitational law
86091
Can black holes actually merge?
60687
Solid objects inside the event horizon - can they remain "solid"?
11775
Are we inside a black hole?
82732
Why people think dark matter as a massive particle? Couldn't it be gravitational waves?
59629
Drawing Sphere to represent a black hole
92591
Could a Dyson Sphere-like object be made to encase a black hole without collapsing?
7353
Black hole "no hair" theorem
153784
Can you have a giraffe shaped black hole?
61095
When does a singularity start to exist during a black hole formation?
47968
Thought Experiment - Poking a stick across a Black Hole's Event Horizon
90481
3D donuts and the centre of a black hole
60592
Are electrons just incompletely evaporated black holes?
7824
Particles reaching a singularity