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Schwarzchild radius is event horizon size of non-rotating black hole. Objects inside cannot escape, even light.
Formula
Apply r_s = 2GM/c²
Guida passo passo
- 1Input mass (solar masses or kg)
- 2Apply r_s = 2GM/c²
- 3Results show black hole horizon size
Esempi risolti
Ingresso
M = 10 solar masses
Risultato
r_s ≈ 30 km, density ≈10¹¹ kg/m³
Stellar-mass black hole
Errori comuni da evitare
- ✕Assuming black holes are absolute sinks (Hawking radiation evaporates)
- ✕Neglecting spin (rotating black holes larger)
Domande frequenti
What happens at event horizon?
Tidal forces increase dramatically; approaching observer experiences infinite time dilation.
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