There's another planet in our solar system -- we just can't see it yet, study says
Wednesday, January 20, 2016 - 11:46
in Astronomy & Space
Astronomers say they’ve found evidence that our solar system may hold another giant planet, hidden in the dark, distant badlands far beyond Neptune’s orbit. This so-called Planet Nine, described in the Astronomical Journal, would likely have roughly 10 times the mass of Earth and circle the sun...