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← ScienceWhich consequence results when spacecraft approach black hole event horizon?
A)Extreme tidal forces overcome tensile strength✓
B)Radio signals experience gravitational lensing
C)Time slows because photons blueshift
D)Hawking radiation overwhelms thermal shielding
💡 Explanation
Extreme tidal forces arise because of spacetime curvature near the black hole; the difference in gravitational force across astronaut’s body increases drastically. This overcomes the spacecraft material's tensile strength therefore causing spaghettification rather than uniform acceleration experienced in weaker gravitational fields.
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