00 22/01/2016 07:29
...informazioni...

dal blog di Sabrina... [SM=g27985]

www.extremamente.it/2016/01/21/il-planet-x-esiste-ma-ora-si-chiama-plan...


la fonte... [SM=g27985]

iopscience.iop.org/article/10.3847/0004-6256/151/2/22


[SM=g8128]




Mr Spock says: it would be illogical to assume that all conditions remain stable