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342 points divbzero | 1 comments | | HN request time: 0.208s | source
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tiahura ◴[] No.44401266[source]
How is it that we can spot a planet 110 light years away, but whether there’s another planet in the solar system past Pluto is a matter of legitimate scientific debate?
replies(3): >>44401397 #>>44401450 #>>44403167 #
1. charlieyu1 ◴[] No.44401397[source]
Because we are looking for much smaller planets.