How Black Holes Work
0%Science
How Black Holes Work
Advanced~20 min18 steps
Compress anything enough and its escape velocity passes the speed of light. That is the whole trick.
You’ll learn
- Explain what an event horizon is and what it is not
- Calculate a Schwarzschild radius for any mass
- Describe why time appears to slow near a black hole
- Correct the common belief that black holes suck things in
- Locate the photon sphere and the innermost stable orbit
- Explain how black holes are detected, and why they slowly evaporate