How Do Astronomers Explain the "Superluminal" Motions Observed in Quasars

question 1

Multiple Choice

How do astronomers explain the "superluminal" motions observed in quasars?

• A)It is an illusion produced when something moves rapidly almost straight at us
• B)No trick,things really do move faster than the speed of light
• C)The black holes in quasars cause a distortion in the rate of passage of time
• D)Quasars are contracting at almost the speed of light

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