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The Best Way to Find Planet Nine Might Be Hundreds of Tiny Telescopes
Although the outer Solar System is mostly empty, there are icy objects drifting within the very limits of detection by our largest telescopes. But maybe small telescopes can be more successful. A new paper suggests that an array of 200 automated 40-cm telescopes spread across 1,000 km could be the best way to find them. They would watch for changes in brightness as objects pass in front of stars and could even find the hypothetical Planet Nine.
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