28. A sphere moves past an observer at 0.6c. What
shape does the observer see?
(A) A sphere, slightly smaller than the sphere really is.
(B) A cone, slightly flattened.
(C) An ellipsoid, flattened in the direction of motion.
(D) A hypocycloid, flattened in the direction of motion.
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統計: A(0), B(2), C(3), D(2), E(0) #347715
統計: A(0), B(2), C(3), D(2), E(0) #347715