Reviewing back...
-Pat Brennan
A Planet Nine has possibility to get closer into our solar system even it hovers at the edge of our solar system. However subtly pulling strings behind the scenes: stretching out the orbits of distant bodies, perhaps even tilting the entire solar system to one side. It is a possible "Planet Nine" can brings "days of darkness" because it is perhaps 10 times the mass of Earth and 20 times farther from the sun than Neptune. Surveys of planets around other stars in our galaxy have found the most common types to be "super Earths" and their somewhat larger cousins, bigger than Earth but smaller than Neptune. Caltech professor Mike Brown and assistant professor Konstanin Batygin have been working together to investigate Planet Nine...click to continue!
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