2017年5月5日 星期五

Planet 9 Sour Grapes

Keith's note: One planetary scientist is doing a systematic search for a large planet that may be lurking in the outermost reaches of our solar system. Meanwhile another planetary scientist who got his own mission to visit the farthest objects (yet) in our solar system just can't get over a nomenclature decision made a decade ago.



from NASA Watch http://ift.tt/2pKeVm8
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