One Piece of Evidence That Proves That the Speed of Light

question 46

Multiple Choice

One piece of evidence that proves that the speed of light is indeed constant comes from the observation

• A) that the light from the stars in a binary system is smeared out by their mutual motion
• B) that the light from the stars in binary system is Doppler shifted by their mutual motion
• C) of gravitational waves emitted from binary systems
• D) that stars in a binary system appear as distinct points of light

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