View Single Post
Old 01-20-2016, 11:02 AM   #2557
Knut
 
Knut's Avatar
 
Join Date: Oct 2002
Exp:
Default

Is there a Neptune sized planet beyond Pluto ?

Article :
http://www.iflscience.com/possible-n...tem-discovered

Study :
http://iopscience.iop.org/article/10...-6256/151/2/22
Knut is offline   Reply With Quote