NASA
21st January 2016, 16:40
http://solarsystem.nasa.gov/images/news/planet_9_art_1_319.jpg (http://solarsystem.nasa.gov/news/2016/01/21/caltech-researchers-find-evidence-of-a-real-ninth-planet)21 Jan 2016 - Caltech Researchers Find Evidence of a Real Ninth Planet
Caltech researchers have found evidence of a giant planet tracing a bizarre, highly elongated orbit in the outer solar system. The object, which the researchers have nicknamed Planet Nine, has a mass about 10 times that of Earth.
More... (http://solarsystem.nasa.gov/news/2016/01/21/caltech-researchers-find-evidence-of-a-real-ninth-planet)
Caltech researchers have found evidence of a giant planet tracing a bizarre, highly elongated orbit in the outer solar system. The object, which the researchers have nicknamed Planet Nine, has a mass about 10 times that of Earth.
More... (http://solarsystem.nasa.gov/news/2016/01/21/caltech-researchers-find-evidence-of-a-real-ninth-planet)