This article doesn't seem to contain much new. If you read Batygin and Brown's blog, though, you can read more about to what extent they've been able to pin do

This article doesn't seem to contain much new. If you read Batygin and Brown's blog, though, you can read more about to what extent they've been able to pin down Planet Nine's location: http://www.findplanetnine.com/2017/09/planet-nine-where-are-you-part-1.html http://www.findplanetnine.com/2017/09/planet-nine-where-are-...