I spent an hour last night searching for a planet. I did not discover one. I did, however, look at lot of bad photographs of stars (at least, to me they were bad photographs; they might be state of the art for all I know). It's a project called Backyard Worlds: Planet 9. Basically they show you sequences of four photos from NASA's Wide-field Infrared Survey Explorer (WISE) telescope. Spot the moving dot and you win the prize of being the person to discover the mysterious tenth planet. What's interesting about this project is that it requires the human eye (and human pattern detection).
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