Can an Object Look as Dense as a Black Hole in Special Relativity?
3635
If a mass moves close to the speed of light, does it turn into a black hole?
153552
Relativistic mass as seen by different observers
35663
Is there a formula that gives the position of an object depending on the time, but which doesn't allow the object to surpass the speed of light?
52339
How can super massive black holes have a lower density than water?
56773
Fighting a black hole: Could a strong spherical shell inside an event horizon resist falling in to the singularity?
6205
How can a singularity in a black hole rotate if it's just a point?
72901
Can Special Relativity hold even without motion?
107647
The uncertainty principle and black holes
58356
Do all black holes have a singularity?
96456
General Relativity Equivalence
44566
Is (rest) mass conserved in special relativity?
109786
Can a human size object move so fast that it ceases to be observable?
32981
What is exactly the density of a black hole and how can it be calculated?
80645
Time for two relativistic objects to meet
129049
Electromagnetic black hole?
114449
Gravitational slingshot of light using a black hole/massive object
54020
Does a moving object curve space-time as its velocity increases?