Quote:
Originally Posted by George Witzgall
It was imaged in the microwave spectrum (~1mm wavelength), not the visible spectrum, so colors were assigned to create the "photograph". If we were closer to the center of our galaxy we could probably image it in the visible spectrum, or if we constructed laser interferometers much larger than the Earth (maybe using Lagrange points). Maybe in future.
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So it's basically a false-color photo, like an X-ray.
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