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 and orbits about 20 times farther from the sun on average than does Neptune (which orbits the sun at an average distance of 2.8 billion miles). In fact, it would take this

[azumi_s]

今度こそVasteel-Technologyが(違います

[tetsutalow]

なんとエッジワースカイパーベルトの外側、海王星の軌道半径の20倍ってあたりに地球の10倍くらいの質量の惑星があると。公転周期は実に10000年から20000年。米国にとっては「今度こそ」の第9番惑星？

[SasakiTakahiro]

太陽系に「第9番惑星」存在か。

[Kureduki_Maari]

.｡oO(Planet Nine) Caltech Researchers Find Evidence of a Real Ninth Planet | Caltech

[Nyoho]

第9惑星とな。スケールが大きいなー。

[Hiro0138]

第9番惑星が見つかったっぽい・・・しかしサイズが大きすぎな気が