I don't understand why a cavity with a hole is a black body
91271
If a black body is a perfect absorber, why does it emit anything?
103284
Why does a bubble take a spherical shape?
67497
How can it be that the sun emits more than a black body?
41212
Another layman blackhole question, pulling one end of a string out from behind the event horizon
115879
Why can't dark matter be black holes?
122967
Thermal radiation spectrum of a blackbody
123487
Why do dead bodies only reanimate beyond the Wall?
107647
The uncertainty principle and black holes
14212
Black holes in a head-on collision
27283
How to complete this hole with the grid around it?
38460
What happens when a black hole dies?
143244
How can black holes be so dense?
149084
Black Hole Photon Sphere
92591
Could a Dyson Sphere-like object be made to encase a black hole without collapsing?
148797
How did the "black liquid" work in Prometheus?
19662
Can a black hole be explained by Newtonian gravity?
86612
How does one correctly interpret the behavior of the heat capacity of a charged black hole?