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← ScienceWhich effect increases when a spacecraft's acceleration nears earth's gravity?
A)Enhanced gravitational time dilation locally✓
B)Diminished interstellar dust particle impact
C)Reduced astronaut bone density loss
D)Improved communication signal propagation clarity
💡 Explanation
Enhanced time dilation appears because the equivalence principle makes acceleration indistinguishable from gravity, making local spacetime curvature effects stronger. Therefore, time dilation within the accelerating spacecraft is more pronounced, rather than changes to dust impacts or bone density.
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