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Astronomy
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Radio Telescopes and Interferometry
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Astronomy
AST.085 Radio Telescopes and Interferometry
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Why can an interferometer not simply add finished pictures from each radio dish to make a high-resolution image?
A
The final image is determined only by the color of the dish surfaces.
B
Individual radio dishes each produce perfect visible-light photographs already.
C
The high-resolution information comes from correlated wave phase and timing before the image is reconstructed.
D
Adding pictures changes long radio waves into shorter radio waves.
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