RE: New evidence points toward Ninth Planet in the solar system
January 21, 2016 at 9:29 am
(This post was last modified: January 21, 2016 at 9:33 am by Anomalocaris.)
If this planet is out there, any suggestions on where it formed, and how its perihelion moved this far out?
Also, how is the putative size of the orbit of this planet constrained? Why does it have to have orbit period of 15000 years? Or is simply the mean if all theoretical models that worked?l
Also, how is the putative size of the orbit of this planet constrained? Why does it have to have orbit period of 15000 years? Or is simply the mean if all theoretical models that worked?l
