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Schwarzchild radius is event horizon size of non-rotating black hole. Objects inside cannot escape, even light.
공식
Apply r_s = 2GM/c²
단계별 가이드
- 1Input mass (solar masses or kg)
- 2Apply r_s = 2GM/c²
- 3Results show black hole horizon size
풀어진 예시
입력
M = 10 solar masses
결과
r_s ≈ 30 km, density ≈10¹¹ kg/m³
Stellar-mass black hole
피해야 할 일반적인 실수
- ✕Assuming black holes are absolute sinks (Hawking radiation evaporates)
- ✕Neglecting spin (rotating black holes larger)
자주 묻는 질문
What happens at event horizon?
Tidal forces increase dramatically; approaching observer experiences infinite time dilation.
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