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A star is moving toward Earth at 90% the speed of light. The star emits light, which moves away from the star at the

A star is moving toward Earth at 90% the speed of light. The star emits light, which moves away from the star at the speed of light What do Earth-based astronomers measure for the speed of this light? 0.98c d 1.2c 1.9c 0950

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