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A spherical asteroid with a radius of 11 km approaches Earth with a speed 0.3c. What...

A spherical asteroid with a radius of 11 km approaches Earth with a speed 0.3c. What is the volume of the asteroid as determined by an Earth-based observatory.
(The volume of an ellipsoid with semi-axis a,b, and d is 4π*a*b*d/3).

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