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Which phenomenon causes stellar aberration in telescopic observations?

A)Spacetime distortion from relative motion
B)Atmospheric refraction across curved space
C)Gravitational lensing of background stars
D)Doppler shift of emitted starlight

💡 Explanation

Moving telescopes experience stellar aberration because motion through spacetime distorts observed angles via Lorentz transformation. The effect is attributed to spacetime distortion, therefore, rather than the effects of atmospheric refraction or gravitational lensing.

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