Shining flashlight inside black hole
118367
If you shine a light away from the center of a Schwarzchild black hole, will it stay still?
14023
The arrow of time and the cosmology of a black hole interior
90844
How can a cavity with perfectly reflecting walls approximate a perfectly absorbing black body?
97847
Direct observations of a black hole?
9643
Black holes are transparent?
69908
Black hole photography
70023
A black torch to darken everything
23139
Am I seeing a particle orbiting a Morris-Thorne Wormhole?
74101
How is a vacuum able to propagate light?
81190
Why does the blackbody radiate even at thermal equilibrium?
66389
A flashlight's lifetime
118605
What if you pointed a laser away from a black hole while falling into it?
4707
Gravitational field intensity inside a hollow sphere
14212
Black holes in a head-on collision
12267
(Almost) double light speed
149084
Black Hole Photon Sphere
64337
Is it possible to focus the radiation from a black body to make something hotter than that black body?