Physics · Special Relativity
A globe of rest radius R0, carrying identifiable surface markings, moves with speed v in a direction perpendicular to the line joining it to a distant observer. A photograph is taken when the globe is exactly at the position of closest approach. After developing the film, what will the observer see?
- 1A sphere enlarged due to relativistic aberration
- 2A sphere of the same circular outline, though the surface markings appear rotated✓
- 3An ellipsoid with semi-axes R0 and R0√(1 - v2/c2)
- 4A sphere contracted along the direction of motion
Correct answer
A sphere of the same circular outline, though the surface markings appear rotated
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